Fujitsu ASG09KXCA Series, AOG12KXCA Series, ASG12KXCA Series, AOG09KXCA Series Service Instruction

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SPLIT TYPE ROOM AIR CONDITIONER

WALL MOUNTED

type

Models Indoor unit Outdoor unit

AS*G09KXCA AS*G12KXCA

AO*G09KXCA AO*G12KXCA

INVERTER

SERVICE

INSTRUCTION

CONTENTS

1. DESCRIPTION OF EACH CONTROL OPERATION

1. COOLING OPERATION................................................................................................

3. DRY OPERATION.........................................................................................................

2. HEATING OPERATION.................................................................................................

5. INDOOR FAN CONTROL..............................................................................................

4. AUTO CHANGEOVER OPERATION............................................................................

7. LOUVER CONTROL.....................................................................................................

6. OUTDOOR FAN CONTROL..........................................................................................

10. TIMER OPERATION CONTROL.................................................................................

9. COMPRESSOR CONTROL..........................................................................................

12. TEST OPERATION CONTROL...................................................................................

11. ELECTRONIC EXPANSION VALVE CONTROL........................................................

14. FOUR-WAY VALVE EXTENSION SELECT................................................................

13. PREVENT TO RESTART (ST)...................................................................................

16. FORCED AUTO OPERATION....................................................................................

15. AUTO RESTART.........................................................................................................

17. FORCED COOLING OPERATION.............................................................................

19. 10°C HEAT OPERATION............................................................................................

18. COMPRESSOR PREHEATING..................................................................................

20. ECONOMY OPERATION............................................................................................

22. OFF DEFROST OPERATION CONTROL...................................................................

21.

DEFROST OPERATION CONTROL...........................................................................

01-01 01-02 01-02 01-03 01-05 01-07 01-08

01-10 01-11 01-13 01-13

01-14 01-14 01-14 01-14 01-15 01-15 01-15 01-16 01-18

01-13

2. TROUBLE SHOOTING

2-1 INDOOR UNIT ERROR DISPLAY...............................................................................

2-2 WIRELESS LAN ADAPTER ERROR DISPLAY..........................................................

2-3 MOBILE APP ERROR DISPLAY.................................................................................

02-01 02-02 02-03

2-4 MOBILE APP ERROR DISPLAY (In Wireless LAN Control system)........................... 02-04

23. VARIOUS PROTECTIONS.......................................................................................... 01-19

24. LOW NOISE OPERATION...........................................................................................01-21

26. POWERFUL OPERATION...........................................................................................

25. HUMAN SENSOR (Energy Saving).............................................................................

01-22

27. FILTER CLEAN............................................................................................................

01-22

01-21

8. DUAL FAN CONTROL.................................................................................................. 01-09

28. PLASMA CLEAN .........................................................................................................

01-22

29. WIRELESS LAN .........................................................................................................

01-23

2-5 TROUBLE SHOOTING WITH ERROR CODE.............................................................02-05

2-6 TROUBLE SHOOTING WITH NO ERROR CODE.......................................................

02-38

2-7 SERVICE PARTS INFORMATION..............................................................................

02-43

CONTENTS

3. APPENDING DATA

3-1 FUNCTION SETTING.................................................................................................

03-01

3-2 CUSTOM CODE SETTING FOR WIRELESS REMOTE CONTROLLER.................. 03-05

3-3 SWITCHING THE TEMPERATURE UNIT OF REMOTECONTROLLER.................. 03-06

4. WIRING DIAGRAMS....................................................................................................... 03-07

3. FUNCTION SETTING......................................................................................................

03-01

1 . DESCRIPTION OF EACH

CONTROL OPERATION

WALL MOUNTED type

INVERTER

( Fig.1 : Limit of Maximum Frequency based on Outdoor Temperature )

1. COOLING OPERATION

1-1 COOLING CAPACITY CONTROL

minimum frequency

maximum frequency

15rps 63rps

Outside air Outside air temperature drops temperature rises

36°C

A zone

34°C

32°C

B zone

30°C

21°C

C zone

19°C

D zone

Hi Me Lo Quiet

( Table 1 : Compressor Frequency Range )

01-01

E zone

F zone

10°C

0°C

12°C

2°C

* When the room temperature is between +6.0°C to -1.0°C of the setting temperature, the compressor frequency is controlled within the range shown in Table1. However, the maximum frequency is limited in the range shown in Figure1 based on the fan speed mode and the outdoor temperature.

* If the room temperature is 1.0°C lower than a set temperature, the compressor will be stopped.

A zone 63rps 32rps 26rps 17rps B zone 63rps 32rps 26rps 17rps C zone 52rps 32rps 26rps 17rps D zone 39rps 26rps 22rps 17rps E zone 39rps 26rps 17rps 15rps F zone 39rps 26rps 17rps 15rps

2. HEATING OPERATION

2-1 HEATING CAPACITY CONTROL

A sensor (room temperature thermistor) built in the indoor unit body will usually perceive difference or variation between a set temperature and present room temperature, and controls the operation frequency of the compressor. * If the room temperature is lower by 6.0°C than a set temperature, the compressor operation frequency will attain to maximum performance. * If the room temperature is 1.0°C higher than a set temperature, the compressor will be stopped. * When the room temperature is between +1.0°C to -6.0°C of the setting temperature, the compressor frequency is controlled within the range shown in Table2.

( Table 2 : Compressor Frequency Range )

01-02

minimum frequency

maximum frequency

15rps 128rps

3. DRY OPERATION

3-1 INDOOR UNIT CONTROL

The compressor rotation frequency shall change according to the temperature, set temperature, and room temperature variation which the room temperature sensor of the indoor unit body has detected as shown in the Table3.

Ts+0.5°C

Ts -1.5°C

Ts -0.5°C

Ts+1.5°C

( Table3 : Compressor frequency )

( Fig.2 : Compressor Control based on Room Temperature )

Operating frequency

J zone Y zone

X zone 22rps

15rps

0rps

Room temperature drops

Room temperature rises

X zone

J zone

Y zone

4. AUTO CHANGEOVER OPERATION

01-03

When the air conditioner is set to the Auto mode by remote controller, operation starts in the optimum mode from among the Heating, Cooling, and Monitoring mode. During operation, the optimum mode is automatically switched in accordance with temperature changes. The temperature can be set between 18°C and 30°C in 1.0°C steps.

When operation starts, indoor main fan and outdoor fan are operated for around 1 minutes. Room temperature and outdoor temperature are sensed, and the operation mode is selected in accordance with the table below. <Monitoring mode>

( Table 4 : Operation mode selection table )

Room temperature (TR)

TR> Ts+2°C

Ts+2°C TR Ts -2°C

*Middle zone

TR < Ts -2°C Heating

When the compressor was stopped for 6 consecutive minutes by the temperature control function after the Cooling or Heating mode was selected at above, operation is switched to Monitoring and the operation mode is selected again.

When the middle zone is selected on the predetermining of the operation mode, the operation mode before the changing to the monitor mode is selected.

( Fig.3 : Outdoor temperature zone selection )

Cooling

Operation mode

Temperature

°C and over

°C under

Heating

Cooling

Mode

*If it's Middle zone, operation mode of indoor unit is selected as below.

(1). Selected by the outdoor temperature.

If outdoor unit is operating in other than Cooling and Heating mode, indoor unit will be operated according to the outdoor temperature as below.

TR : Room temperature Ts : Setting temperature

01-04

START

Room temp.

Ts+2

°C?

COOLING OPERATIONHEATING OPERATION

YES

Auto change over is

second or more?

YES

AUTO CHANGEOVER operation flow chart

TS : Setting temperature

Room temp.

Ts -2

°C?

Thermostat remains

in OFF state for 6 minutes or

longer?

System stops

or operation command other than

auto changeover operation?

Thermostat remains

in OFF state for 6 minutes or

longer?

System stops

or operation command other than

auto changeover operation?

Middle zone

Operation mode of

outdoor unit : Cooling?

YES

Operation mode of outdoor unit

: Heating?

YES

Outdoor temperature<

25°C?

YES

Operation mode

before the monitor mode is

cooling mode?

Monitor mode

(Fig.4 Flow chart)

5. INDOOR FAN CONTROL

The airflow setting by the remote controller can be switched in 5 steps such as AUTO, HIGH, MED, LOW, QUIET while the indoor main fan only runs.

When Fan mode is set at (Auto), it operates on (Me) Fan Speed.

01-05

1. Fan speed

2. FAN OPERATION

( Table5 : Indoor Fan Speed )

Operation mode Air flow mode

Speed (rpm)

Cooling/ Fan

Hi Me+ Me

Lo Lo -

Quiet

Dry

S-Lo

1570

Heating

Cool air prevention

3. COOLING OPERATION

Switch the airflow [Auto], and the indoor main fan motor will run according to a room temperature, as shown in Fig. 6. On the other hand, if switched in [Hi] ~ [Quiet], the indoor main fan motor will run at a constant airflow of [COOL] operation modes Quiet -, Lo -, Me, Hi, as shown in Table5.

( Fig.6 : Airflow change - over ( Cooling : Auto ) )

TR : Room temperature Ts : Setting temperature

TR-Ts

1.5°C

0.5°C

2.5°C

1.5°C

Main Fan : Hi Dual Fan : Lo

4. DRY OPERATION

Refer to the Table5. During the dry mode operation, the fan speed setting can not be changed.

1490 1360 1300 1130 1130

980 830

610 1390 1310 1160 1100

960

1390

X zone : 960 J zone : 720

Main Fan

Air flow mode

Speed (rpm)

Hi Me

Lo Quiet

1290

Stop

1070

930 800 800 630 630 430

Dual Fan(Left Dual Fan)*

Cool air prevention

Quiet

TR-Ts

Main Fan : Lo Dual Fan : Quiet

Main Fan : Quiet Dual Fan : Quiet

Powerful

*Right Dual Fan is high +30rpm more than Left Dual Fan. (Resonance correspondence)

Lo - 1050

Quiet - 830

780Quiet -

Powerful

TR-Ts

1.5°C

0.5°C

2.5°C

1.5°C

Main Fan : Hi Dual Fan : Lo

TR-Ts

Main Fan : Lo Dual Fan : Quiet

Dual Fan setting is ON Dual Fan setting is OFF

( Fig 5 : Dual Fan Speed )

The maximum value of the indoor main fan speed is set as shown in Fig.8, based on the detected temperature by the indoor heat exchanger sensor on heating mode.

(Fig.8 : Cool Air Prevention Control)

01-06

5. HEATING OPERATION

Switch the airflow [AUTO], and the indoor main fan motor will run according to a room temperature, as shown in Fig. 7.

Switch the airflow at cooling mode, and the indoor main fan motor will run as shown in Fig.9. It depends on the Function setting "Indoor unit fan control for energy saving."

On the other hand, if switched in [Hi ] ~ [Quiet ], the indoor main fan motor will run at a constant airflow of [HEAT] operation modes Quiet -, Lo -, Me, Hi , as shown in Table5.

6. COOL AIR PREVENTION CONTROL (Heating mode)

7. INDOOR UNIT FAN CONTROL FOR ENERGY SAVING (Cooling mode)

( Fig.7 : Airflow change - over ( Heating : Auto ) )

42°C

30°C

34°C

Indoor heat exchanger temperature

Indoor heat exchanger

temperature *Hi or setting Fan mode

*Me+ or setting Fan mode

*Lo or setting Fan mode

Cool air prevention

39°C

37°C

32°C

28°C

S-Lo

( Fig.9 : Indoor Fan Control )

Compressor

OFF

Indoor fan Setting air flow

Indoor fan (as shown in Table 6)

S-Lo

OFF

10 30 60 180 60 180 60 10 30

(SEC)

( Table6 : Indoor Fan Speed )

X zone J zone

960rpm 720rpm

780rpm

Dry

Cooling

[Normal operation] [Powerful operation]

Indoor heat exchanger temperature

42°C

30°C

34°C

Powerful

Cool air prevention

39°C

37°C

32°C

28°C

S-Lo

*Lower speed is selected

TR : Room temperature Ts : Setting temperature

TR-Ts

- 1°C

- 2°C

- 3°C

Main Fan : Quiet Dual Fan : Quiet

TR-Ts

Main Fan : Me Dual Fan : Lo

Main Fan : Hi Dual Fan : Lo

TR-Ts

- 1°C

- 2°C

- 3°C

Main Fan : Lo Dual Fan : Lo

TR-Ts

Main Fan : Me Dual Fan : Lo

Main Fan : Hi Dual Fan : Lo

Dual Fan setting is ON Dual Fan setting is OFF

6. OUTDOOR FAN CONTROL

The outdoor fan speed mentioned above depends on the compressor frequency. (When the compressor frequency increases, the outdoor fan speed also changes to the higher speed. When the compressor frequency decreases, the outdoor fan speed also changes to the lower speed.)

After the defrost control is operated on the heating mode, the fan speed keeps at the higher speed as table 7 without relating to the compressor frequency.

( Table 7 : Outdoor fan speed after the defrost )

1. Fan Speed

1070rpm

01-07

( Fig.10 : Outside air temperature zone selection )

12°C

0°C

Outside air temperature

F zone

enoz 2-D

G zone

2°C

10°C

21°C

enoz 1-D

19°C

Cooling Heating

D-2

D-1

Zone

1070/ 930/ 760/ 660/ 610/ 580/ 510/ 410

Refer to Fig. 10

(rpm)

200/ 180

G 200/ 170

Dry

840/ 820/ 740/ 660/ 620/ 450

740/ 620/ 450

200/ 180 200/ 170

840/ 820/ 500/ 450/ 410

7. LOUVER CONTROL

01-08

1. VERTICAL LOUVER CONTROL

Each time the Vertical SET button is pressed, the air direction will change as follow:

At the biginning of AUTO or HEAT mode, they may stay on position 1 for a while for adjustment. If the angle is set to position 5 - 8 for more than 30 minutes in COOL or DRY mode, the louver will autmatically

return to position 4. (*Keeping the position 5 - 8 during COOL or DRY mode may cause of condensation water drops.) After beginning of AUTO / HEAT mode operated and automatic defrosting operation time,

the air flow will be position 1. The airflow direction setting will temporarily become 1 when the temperature of the airflow is low at the start of

HEAT mode. At the beginning of AUTO mode, the position you cannot change the airflow direction.

(Function Range)

3. SWING OPERATION

2. HORIZONTAL LOUVER CONTROL

(Function Range)

Each time the Vertical SET button is pressed, the air direction will change as follow:

At the beginning of AUTO mode, the position you cannot change the airflow direction.

Set the automatic swing operation, Each time the SWING Button is pressd, the operation will change.

The Left/ Right swing operation will follow the direction as shown above. The Up/ Down Swing operation range will differ by mode as follows.

Swing operation may stop temporarily when the indoor unit fan is rotating at very low speed or is stopped. In FAN mode, the UP/ Down swing operation range of 1 5 or 5 8 is decided according the airflow direction previously set before starting the swing operation

(Function Range)

Up/ Down Left/ Right Up/ Down/ Left/ Right Stop swing

COOL or DRY mode HEAT mode

Horizontal air flow direction louver

COOL, DRY, or FAN mode

HEAT or FAN mode

*: Default setting

8. DUAL FAN CONTROL

In COOL mode

1. DUAL FAN COMFORT

01-09

In HEAT mode

Cold airflow

Delivers airflow with a comfortable temperature.

Side airflow reduces warm air from rising up, warming from the floor level.

Warm air

The 2 types of airflow(cold/warm air from the main fan, and ambient temperature air from the dual fan) provide comfort through the room. This is recommended for those who do not like ordinary COOL/HEAT modes.

2. Operation

Dual FAN is OFF at the time of purchase. To activate the dual dan comfort, press the “DUAL FAN COMFORT” button. will be flashing on the remote controller display. To deactivate the dual fan comfort, press the “DUAL FAN COMFORT” button. again. will no longer be shown on the remote controller display. Dual fan operates with the recommended setting. (Refer to the Fig. 11) Dual fan does not operates in TEST operation by indoor unit button. Operation only with dual fan is not possible. In HEAT mode, there is no dual fan airflow with the following.

- When the room temperature is lower than the set temperature

- When the temperature of HEAT airflow is low

- During autmatic defrosting operation In AUTO mode, there is no dual fan airflow with the following.

- When the room temperatrure is under the monitoring in AUTO mode. (Fig. 11 )

3. Setting

The position of dual fan in COOL, DRY or FAN mode can change so that the airflows further. ( For the case that the opposite wall is far from the indoor unit, and the air agitation is required.)

1. Turn off the indoor unit by pressing the “Start/Stop ” button.

2. Press the “DUAL FAN COMFORT” button for at least 5 seconds until the current “DUAL FAN” status is displayed.

3. Press the “TEMP.” buttons to switch the setting. “1” (Standard) “2” (Far) *

4. Press the “Start/ Stop ”button to send the setting to the indoor unit. After the status is sent, the display will automatically return to the original screen. *If no buttons are pressed within 30 seconds after the “DUAL FAN” status is displayed, the system returns to the original clock display. In this case, start again from setp 1. If this still does not match the preferences. see the function setting.

Louver position

1 (Horizontal) 2 3 4 5 6 7 8 (Blow down)

Dual fan positoin COOL DRY HEAT FAN *

7 1 7 1 7 2 7

2 7 3 7 4 7 5 7 6

The dual fan position is controlled together with the louver position Up / Down. The fan speed is controlled with the fan speed of main fan and the louver position Right / Left. *The position 7: (Standard) is able to change to the postion 5: (Far) upward. Refer to the setting.

Remarks

Default setting COOL/ DRY/ FAN

The lowest down position in dew water protection (COOL/ DRY)

Default setting HEAT

9. COMPRESSOR CONTROL

1. OPERATION FREQUENCY RANGE

The operation frequency of the compressor is different based on the operation mode as shown in Table 8.

Cooling

Min

Max

)egnaR ycneuqerF noitarepO rosserpmoC : 8 elbaT(

01-10

15rps 63rps

2. OPERATION FREQUENCY CONTROL AT START UP

The compressor frequency soon after the start-up is controlled as shown in Fig.12.

(Fig.12 : Compressor Control at Start-up)

Time

Time Time

Frequency

Time

Time Time

80sec 110sec 140sec

(Time)

29rps 53rps 65rps

(Frequency)

Frequency

Min

Max

15rps 128rps

Dry

Min

Max

15rps 22rps

Heating

Frequency

Time

Time Time

72rps 91rps 99rps

Frequency

Time

Time Time

200sec 350sec 410sec

10. TIMER OPERATION CONTROL

1. ON TIMER / OFF TIMER

The Table 9 shows the available timer setting based on the product model.

ON TIMER / OFF TIMER PROGRAM TIMER SLEEP TIMER

OFF timer : When the clock reaches the set time, the air conditioner will be turned off.

Operation mode

Stop mode

Set time of timer

ON timer : When the clock reaches the set time, the air conditioner will be turned on.

Operation mode

Stop mode

Set time of timer

The program timer allows the OFF timer and ON timer to be used in combination one time.

Operation mode

Operation will start from the timer setting (either OFF timer or ON timer) whichever is closest to the clock's current timer setting. The order of operations is indicated by the arrow in the remote control unit's display.

SLEEP timer operation cannot be combined with ON timer operation.

( Table 9 : Timer setting )

2. PROGRAM TIMER

Stop mode

Operation mode

Set time Set time Set time Set time

10-1 WIRELESS REMOTE CONTROLLER

01-11

3. SLEEP TIMER

If the sleep is set, the room temperature is monitored and the operation is stopped automatically. If the operation mode or the set temperature is change after the sleep timer is set, the operation is continued according to the changed setting of the sleep timer from that time ON.

Set temperature rises

( Ts : Set temperature )

Stop of operation

Set temperature lowers

( Ts : Set temperature )

Stop of operation

In the cooling operation mode

When the sleep timer is set, the setting temperature is increased 1°C It increases the setting temperature another 1°C after 1 hour. After that, the setting temperature is not changed and the operation is stopped at the time of timer setting.

+1°C

+2°C

Set

60min

In the heating operation mode

When the sleep timer is set, the setting temperature is decreased 1°C It decreases the setting temperature another 1°C every 30 minutes. Upon lowering 4°C, the setting temperature is not changed and the operation stops at the time of timer setting.

Set

30min

-4°C

-3°C

-2°C

-1°C

01-12

11. ELECTRONIC EXPANSION VALVE CONTROL

The most proper opening of the electronic expansion valve is calculated and controlled under the present operating condition based on the Table10. The compressor frequency, the temperatures detected by the discharge temperature sensor, the indoor heat exchanger sensor, the outdoor heat exchanger sensor, and the outdoor temperature sensor.

At the time of supplying the power to the outdoor unit, the initialization of the electronic expansion valve is operated (528 pulses are input to the closing direction).

12. TEST OPERATION CONTROL

The compressor won't enter operation status for 140 sec. after the compressor is stopped, even if any operation is given.

13. PREVENT TO RESTART ( ST )

01-13

( Table10 : The pulse range of the electronic expansion valve control )

Cooling / Dry mode Heating mode

Operation mode Pulse range

between 32 to 480 pulses.

Operation method Before starting the test run, wait for 1 minute after connecting the power supply. By the wireless remote controller

• To start the test run, press the “Start/Stop ” “ button, the “TEST RUN” button on the remote controller with a by using the tip of a ballpoint pen or other small object. By the indoor unit button

• To start the test run, keep on pressing the “INDOOR UNIT” button of the indoor unit for more than 10 sec.

• To end test operation, press the remote controller “Start/Stop ” button.

(When the air conditioner is running by pressing the “TEST RUN” button, the “OPERATION” indicator and “TIMER” indicator blink simultaneously.)

16. FORCED AUTO OPERATION

If the Indoor unit button is pressed 3 to 10 sec. the operation is controlled as shown in Table 11. (If the remote controller is lost, this function can use.) The Operation indicator and the Timer indicator blinks for 1 sec, ON, and 1 sec. OFF. The forced auto operation is released after 60 min. after starting the operation. By pressing the Indoor unit button for 3sec., the operation stops.

OPERATION MODE Auto changeover FAN CONT. MODE Auto TIMER MODE Continuous (No timer setting available) SETTING TEMP. 24°C SETTING LOUVER Standard / Momorized position

(Table11)

01-14

17. FORCED COOLING OPERATION

Manual auto operation

If the Indoor unit button is pressed over 10 sec., the operation is controlled as shown in Table 12. (If the remote controller is lost, this function can use.) The Operation indicator and the Timer indicator blinks for 1 sec, ON, and 1 sec. OFF. The forced auto operation is released after 60 min. after starting the operation. By pressing Indoor unit button for 3 sec., the operation stops.

When the power was interrupted by a power failure, etc. during operation, the operation contents at that time are memorized and when power is recovered, operation is automatically started with the memorized operation contents. When the power is interrupted and recovered during timer operation, since the timer operation time is shifted by the time the power was interrupted, an alarm is given by blinking slowly (6 sec ON/2 sec OFF) the indoor unit body timer indicator.

[ Operation contents memorized when the power is interrupted ]

Operation mode Set temperature Set air flow Timer mode and timer time Set air flow Direction

Human sensor setting Low noise operation

wing ECONOMY operation 10°C HEAT operation

15. AUTO RESTART

At the time when the air conditioner is switched from the cooling mode to heating mode, the compressor is stopped, and the four-way valve is switched in 140 sec. later aftter the compressor Stopped.

14. FOUR-WAY VALVE EXTENSION SELECT

DUAL FAN HUMAN SENSOR ECONOMY SWING

OFF OFF OFF OFF

OPERATION MODE COOL FAN CONT. MODE Hi TIMER MODE Continuous (No timer setting available) SETTING TEMP. 24°C SETTING LOUVER Standard

Manual auto operation

DUAL FAN HUMAN SENSOR ECONOMY SWING

OFF OFF OFF OFF

(Table12)

At the time when the compressor stopped during heating mode, the four-way valve position changes to the cooling position with certain period as follows.

- When the compressor is stopped by the operation STOP: after 140 sec.

- When the compressor is stopped by other than above: after 1800 sec.

01-15

When the time erapsed 30 min, after compressor stopped, and whren the outdoor heat exchanger temperature sensor detects lower temperature, the preheating starts. When the operation starts, the preheating stops. The preheating does not oeprate when the system is stopped with Error of permanent stop.

18. COMPRESSOR PREHEATING

) gnitaeherP rosserpmoC : 31.giF (

7°C

5°C

19. 10°C HEAT OPERATION

The 10°C HEAT operation functions by pressing 10°C HEAT button on the remote controller. The 10°C HEAT operation is almost the same operation as below settings.

Mode Heating Setting temperature 10°C Fan mode Lo (AUTO)

( Table13 )

20. ECONOMY OPERATION

The ECONOMY operation functions by pressing ECONOMY button on the remote controller. The ECONOMY operation is almost the same operation as below settings.

Mode Cooling/ Dry Heating Target temperature Setting temp.+1°C Setting temp.-1°C

( Table14)

0°C

C°2-

-2°C C°4-

OFF OFF ON ON

14°C

C°21

0°C

C°2-

-2°C C°4-

OFF ON ON ON

JUMPER (J600) removed

When the 10°C HEAT operation is operating, the ECONMY indicator turns ON.

21. DEFROST OPERATION CONTROL

01-16

1. CONDITION OF STARTING THE DEFROST OPERATION

The defrost operation starts when the outdoor heat exchanger temperature sensor (Tn) detects the temperature lower than the values shown in Table15.

2. CONDITION OF THE DEFROST OPERATION COMPLETION

Defrost operation is released when the conditions become as shown in Table16.

( Table16 : Defrost Release Condition )

Release Condition

Outdoor heat exchanger temperature sensor value is higher than +16°C

or Compressor operation time has passed 15min.

( Table 15 : Condition of starting Defrost Operation )

Defrosting (Normal) starting operation

Compressor integrating operation time

Less than 40min. More than 40min.

Does not operate

Integrating defrost (Constant monitoring)

More than 240min. (For long continuous operation)

Less than 10min.*1 (For intermittent operation)

- 3°C

More than 215min. (For long continuous operation)

- 5°C

OFF count of the compressor 40 times.

*1 : If the compressor continuous operation time is less than 10 min, the OFF number of the compressor is counted. If any defrost operated, the compressor OFF count is cleared.

Tn-Tn10 < - 5deg Tn-Tnb < - 2deg However, Tn < - 6°C

Tn10 : Temperature of continuous operation at 10minutes. Tnb : Back 5minutes temperature

Tn < - 17°C

01-17

Compressor OFF Outdoor fan motor OFF 50sec. later four - way valve OFF 55sec. later compressor ON

3. Defrost Flow Chart

The defrosting shall proceed by the integrating operation time, outdoor temperature and outdoor heat exchanger temperature as follows.

(Not defrosted for 10min.)

Heating operation start : Compressor ON

Outdoor heat exchanger temperature:

Over +16°C

Compressor ON time: Maximum 15min.

Defrost end

Integrating defrost

(Constant monitoring)

Defrost Indicator: [Operation indicator] 6sec. ON / 2sec. OFF

Defrost start

Compressor OFF count : 40 times (Less than 10min.)

Normal defrost

Compressor integrating operation: Over 240min.

Outdoor heat exchanger temperature: Below - 3°C

Compressor integrating operation: Over 215min.

Outdoor heat exchanger temperature: Below - 5°C

Compressor integrating operation: Over 40min.

Tn-Tn10 < - 5deg Tn-Tnb < - 2deg However, Tn < - 6 °C

Tn < - 17°C

22. OFF DEFROST OPEARTION CONTROL

1. OFF DEFROST OPERATION CONDITION

When operation stops in the [Heating] mode, if frost is adhered to the outdoor unit heat exchanger, the defrost operation will proceed automatically. In this time, if indoor unit operation indicator flashes slowly (6 sec ON / 2 sec OFF), the outdoor unit will allow the heat exchanger to defrost, and then stop.

In heating operation, the outdoor heat exchanger temperature is less than -4°C, compressor continuous operation more than 10 minutes, and compressor operation integrating time lasts for more than 30 minutes.

OFF Defrost Flow Chart

Heating operation stop

Outdoor heat exchanger temperature : Below -4°C Compressor continuous operation : Over 10 minutes Compressor integrating operation : Over 30 minutes

Defrost start

Defrost Indicater: [Operation indicator] 6 sec ON / 2 sec OFF

Outdoor heat exchanger temperature :

Over +16°C

Compressor ON time : Maximum 15 minutes

Defrost end

2. OFF DEFROST END CONDITION

Release Condition

Outdoor heat exchanger temperature sensor value is higher than +16°C or Compressor operation time has passed 15 minutes.

01-18

23. VARIOUS PROTECTIONS

1. DISCHARGE GAS TEMPERATURE OVERRISE PREVENSION CONTROL

The discharge gas thermosensor (discharge thermistor : Outdoor side) will detect discharge gas temperature. When the discharge temperature becomes higher than Temperature , the compressor frequency is decreased 20rps, and it continues to decrease the frequency for 20rps every 120 seconds until

the temperature becoms lower than Temperature . When the discharge temperature becomes lower than Temperature , the control of the control of the compressor frequency is released. When the discharge temperature becomes higher than Temperature , the compressor is stopped and the indoor unit indicator starts blinking.

104°C 101°C 110°C

( Table 17 : Discharge Temperature Over Rise Prevension Control / Release Temperature )

Temperature

2. CURRENT RELEASE CONTROL

The compressor frequency is controlled so that the outdoor unit input current does not exceeds

the current limit velue that was set up with the outdoor temperature.

The compressor frequency returns to the designated frequency of the indoor unit at the time

when the frequency becomes lower than the release value.

( Table 18 : Current Release Operation Value / Release Value)

01-19

[ Heating ]

[ Cooling ]

TO (Control / Release)

4.5A / 4.0A

6.0A / 5.5A

7.0A / 6.5A

46°C 40°C

TO (Control / Release)

8.5A / 8.0A

10.5A / 10.0A

12.5A / 12.0A

17°C 12°C

[ Heating ]

TO : Outdoor Temperature

[ Cooling ]

TO (Control / Release)

5.0A / 4.5A

6.5A / 6.0A

7.5A / 7.0A

46°C 40°C

TO (Control / Release)

10.5A / 10.0A

12.5A / 12.0A

14.5A / 14.0A

17°C 12°C

Model 09

Model 12

3. ANTIFREEZING CONTROL (Cooling and Dry mode)

The compressor frequency is decrease on cooling & dry mode when the indoor heat exchanger

temperature sensor detects the temperature lower than Temperature .

Then, the anti-freezing control is released when it becomes higher than Temperature .

( Table 19 : Anti-freezing Protection Operation / Release Temperature )

Outdoor temperature

Over than 10°C *1

or 12°C *2

Less than 10°C *1

or 12°C *2

*1. When the temperature rises. *2. When the temperature drops.

4°C

7°C

13°C

Temperature

01-20

4. COOLING PRESSURE OVERRISE PROTECTION

When the outdoor unit heat exchange sensor temperature rises to 65°C or greater the compressor is stopped.The compressor restarst after the 140 sec, erapsed (ST). and the temperature detection starts 60 sec. erapsed after compressor started.

5. HIGH TEMPERATURE AND HIGH PRESSURE RELEASE CONTROL ( HEATING MODE )

On heating mode, the compressor frequency is controlled as following based on the detection value of the indoor heat exchanger temperature sensor.

Indoor heat exchange temperature rises

Indoor heat exchange temperature drops

[ Control System ]

It returns to the normal operation

Compressor is stopped

53°C

55°C

63°C

50°C

The compressor frequency is decreased 4rps every 120seconds.

The compressor frequency is decreased 25rps every 120seconds.

6. HIGH PRESSURE PROTECTION

When the pressure switch becomes OFF (Open : higher than 4.2 MPa), the compressor is stopped. It is released when the pressure switch becomes ON (Close : lower than 3.2 MPa) after 140sec. of compressor stop.

Stable zone

7. 4 way valve protection

The 4 way valve protection operates with the following conditions.

1. When the compresspr operates for more than 20 minutes.

2. Tn (Indoor unit HEX temp) -Tb (Room temp) > 10 deg in COOL and DRY

3. Tn (Indoor unit HEX temp) -Tb (Room temp) < -10 deg in HEAT When the above condition 1&2 or 1&3 repeat 2 times for 2 min, the compressor stops. When the same condition repeats 5 times, the system indicates the Error code.

8. Dew water protection (Operating in COOL, DRY)

When the vertical louver is set the position 5 ~ 8, and when the operating time erapsed 30 minutes, the louver position changes automatically to the position 4.

9. EEV shutoff protection (Operating in HEAT)

The EEV shutoff protection operates with the following conditions.

1. When the compresspr operates for more than 20 minutes.

2. Tn (Indoor unit HEX temp) -Tb (Room temp) < 4 deg

When the above condition 1 and 2 repeat 2 times in 2 min, the compressor stops.

After the ST (Restart protection), the compressor starts.

01-21

24. LOW NOISE OPERATION

Operating mode

COOL, DRY

HEAT

Outdoor fan speed

[rpm]

Compressor speed

[rps]

The compressor speed and the outdoor unit fan speed are limited to reduce the operation noise by presssing “LOW NOISE” button on the remote controller. However, during the DEFROST OPERATION, the compressor operates by the speed for DEFROST OPERATION.

660 660

32 32

*The performance drops when operating in the LOW NOISE OPERATION.

25. HUMAN SENSOR (Energy Saving)

•

• Details about detection with the human sensor

• The human sensor detects whether there are people in the room

by looking for movement by people in the room.

About the ENERGY SAVING Operation

If no one enters the room for approximately 20 minutes, the set temperature will be automatically controlled. (When someone comes back into the room, the human sensor will detect this, and automatically revert to the original settings.)

Operation mode

About the HUMAN SENSOR

Cool / Dry

Heat

Auto

Operation details

(if there is no one in the room for a while) The set temperature will be increased by

a maximum of approximately 2

°C.

Application range is follows. Vertical angle 90

°(Side view)

ENERGY SAVING function may not work when the room temperature is very different from the temperature defined in temperature setting, such as when immediately after starting the operation

Horizontal angle 100

°(Top view)

The set temperature will be decreased by a maximum of approximately 4

°C.

This runs the ENERGY SAVING function automatically for the selected mode (Cooling/ Heating/ Drying)

* High limit : 30°C

* Low limit : 16°C

* When using together with the SLEEP time, the SLEEP timer will be prioritized. * During 10°C HEAT operation, if there is no one in the room the set temperature will not be changed.

01-22

26. POWERFUL OPERATION

The Powerful operation functions by pressing POWERFUL button on the remote controller. The indoor unit & outdoor unit will operate at maximum power as shown in Table 20.

Release Condition is as follows. [Cooling / Dry]

- Room tenperature < Setting temperature - 0.5°C or Operation time has passed 20 min..

COMPRESSOR FREQUENCY Maximum FAN CONT. MODE Powerful SETTING LOUVER Cooling/ Dry : 4, Heating : 7

(Table 20)

Powerful operation

[Heating]

- Room tenperature > Setting temperature +0.5°C or Operation time has passed 20 min..

27. FILTER CLEAN

The Filter clean function operates with the following conditions.

1. Auto filter clean When the air conditioner operating time reached 40 hours*. *Filter clean operation interval time can change by the function setting.

2. Manual filter clean When the Filter Clean button on the remote controller is pressed. The filter cleaning time is approximately 13 min.. The indoor unit “FILTER CLEAN” indicator lights up during filter cleaning. When the FILTER CLEAN indicator blinks slowly, this indicates that it is time to clean the dust box. (After approximately 10,000 hours of air conditioner operation have elapsed.) After cleaning the dust box, press Indoor unit button less than 3 sec.. By pressing the indoor unit button, the accumulated operation time is reset. When the indicator brinks as follows, check filter installing (refer to the operation manual.)

28. PLASMA CLEAN

The plasma clean function operates with the following conditions.

- When the plasma air clean button on the remote controller is pressed.

- When the Indoor unit main fan is rotating at very low speed or is stopped. The indoor unit “PLASMA AIR CLEAN” indicator lights up during the functioning. When the PLASMA AIR CLEAN indicator blinks slowly, this indicates that it is time to clean the plasma air clean unit. (After approximately 1,100 hours of plasma air clean operation have elapsed.) After cleaning the plazma clean unit (refer to the operation manual), press Indoor unit button less than 3 sec.. By pressing the indoor unit button, the accumulated operation time is reset. When the PLASMA AIR CLEAN indicator blinks, this indicates that the plasma clean unit is wet, dirty or the intake grille is opened. In this case, stop the air conditioner and then check intake grille or clean the plasma clean unit and dry it completely.

01-23

29. WIRELESS LAN

The operation with the wireless LAN is possible by using the wireless LAN adaptor (packaged with the manuals), and by performing the network setting.

1) Wireless LAN adaptor

2) Wireless LAN router

3) Internet

4) Mobile device and Mobile app

CLOUD

1) Wireless LAN adaptor The adaptor is packaged with the manuals. The SSID is in the label with the wireless LAN adaptor. For the installing and setting, refer to the installation manual and the setting manual. The wireless adaptor has the LED indicator, and it indicates the status. In case of trouble, refer to the troubleshooting or setting manual.

2) Wireless LAN router Loacl purchase (use the user’s product) PIN code or WPS (serting) is required for linking with the wireless LAN adaptor. The internet connection is required.

3) Internet The operation and the status indication are performed via the Internet.

4) Moble device and Mobile app Mobile app (application software) “ FGLair” has to be installed to the user’s mobile device. (For installing the app, the user registeration is required. Refer to the setting manual.) The function available on the mobile device may differ from the finction on the remote controller. (Refer to the operation manual of mobile app)

2 . TROUBLESHOOTING

WALL MOUNTED type

INVERTER

2-1 INDOOR UNIT ERROR DISPLAY

Please refer the flashing pattern as follows. The OPERATION, TIMER and ECONOMY indicators operate as follows according to the error contents.

Room Temperature Thermistor Error

Error Contents

Trouble shooting

(Orange) (Green)

Serial Communication Error

Indoor unit Heat Ex. Thermistor Error

OPERATION, TIMER indicator : 0.5s ON / 0.5s OFF (Flash) ECONOMY indicator: 0.1s ON / 0.1s OFF (Flash continuous)

Outdoor unit Discharge Thermistor Error Outdoor unit Heat Ex. Thermistor Error Outdoor Temperature Thermistor Error

Indoor Fan Motor Error

Compressor start up Error Outdoor Unit Fan Motor Error

Side Fan ( Left ) Motor Error Side Fan ( Right ) Motor Error

Over current Error

CT Error

Manual Auto Switch Error

Indoor Unit Display

4 Way Valve Error Discharge Temperature Error

Power Supply Frequecy Detection Error

02-01

OPERATION TIMER ECONOMY

Indoor unit Model Information Error

Plasma air clean unit Vdd Error Filter set abnormal

Combination Error

Outdoor unit Model Information Error Trip terminal L Error

High pressure SW Error

1 time 1 time 2 time 3 times 3 times 3 times 4 times 4 times 5 times 5 times 5 times 5 times 5 times 6 times 6 times 7 times 7 times 7 times 8 times 8 times 9 times 9 times 9 times 9 times 10 times

1 time 8 times 3 times 1 time 2 times 5 times 1 time 2 times 1 time 4 times 5 times 9 times 10 times 2 times 5 times 1 time 3 times 4 times 4 times 6 times 4 times 5 times 7 times 9 times 1 time

1, 2 26,29,30 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

External Communication Error

INDOOR UNIT LED INDICATOR

(Green)

Continuous Continuous Continuous

Continuous Continuous Continuous Continuous

Continuous Continuous Continuous Continuous Continuous

Continuous

Continuous Continuous Continuous Continuous Continuous

Continuous

Flashing Fast : Repeating 0.5 seconds ON / 0.5 seconds OFF

Wireless LAN addapter Error

Communication Error (”Troubleshooting 26” and “Troubleshooting 28” are simultaneous Error)

Trouble

shooting

Error Contents

Wireless LAN adapter Indicator

LED 1 LED2

Network Communication Error (Communication Error of between Wireless LAN router to Wireless LAN adapter)

External Communication Error (Communucation Error of between Indoor unit to wireless LAN adapter)

LED 1 (Green) LED 2 (Orange)

WIRELESS LAN ADAPTER INDICATOR

Please refer the flashing pattern as follows. LED 1 (green) and LED 2 (orange) operate as follow according to the error contents.

Flashing Fast

Wireless LAN adapter Non-Energized

OFF OFF

02-02

2-2 WIRELESS LAN ADAPTER ERROR DISPLAY

*The status LED1(Green) ON: The communication between the Indoor unit and the adaptor is normal.

(Green) (Orange)

Flashing Fast

Error code

No Error

Wireless LAN adapter Sleep mode

OFF OFF

No Error

Error Name

MOBILE APP ERROR DISPLAY

If there is an abnormality on the air conditioning, you will see is as follows. When you tap the "Error button” on the home screen, Error Code and Error Name is displayed.

For Android

For iOS

Error button

Error code

51. 1

Error Name

Error code

Error button

2. ERROR CODE

AIR CINDITIONER ERROR

51. 1

AIR CINDITIONER ERROR

51. 1

AIR CINDITIONER ERROR



Indoor unit fan motor 1 error

02-03

2-3 MOBILE APP ERROR DISPLAY

Indoor unit room temp. thermistor error

Error Contents

Trouble shooting

Serial Communication error between Indoor unit/outdoor unit

Indoor unit heat ex. temp. thermistor error

Outdoor unit discharge temp. thermistor error Outdoor unit heat ex. temp. thermistor error Outside air temp. thermistor error

Indoor unit fan motor 1 error

Outdoor unit compressor motor control error Outdoor unit Fan Motor 1 error

Indoor unit fan motor 2 error Indoor unit fan motor 3 error

Outdoor unit trip detection

Outdoor unit current sensor error

Indoor unit manual auto switch error

Outdoor unit 4 way valve error Outdoor unit discharge temp. 1 error

Indoor unit power supply abnormal

Indoor unit main PCB error

Air cleaning function error Indoor unit intake grille position error

Incompatible series connection error

Outdoor unit main PCB error Outdoor unit IPM error

Outdoor unirt pressure sensor Error

11.1, 11.2, 11.3, 11.4

18.1

23.1

31.3

32.1

35.1

41.1

42.1

51.1, 51.2

54.1, 54.2

58.1

59.1 5A.1

62.1, 62.2

65.3

71.1

73.3

74.1

84.1

86.4

94.1

95.1

97.3

99.1 A1.1

1, 2 26,29,30 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

External Communication error

Applicable Error code

Error

messages

1. ERROR DISPLAY

If there is an abnormality on the Wireless LAN control system, you will see is as follows. Error messages will disappear at 5 seconds. Then retune to normal display.

For Android

For iOS

2. ERROR MESSAGES LIST

Erro

messages

02-04

Mobile app errors

Registration Errors (For Android)

Error messages

Wi-Fi must be enabled to set up new device

The user has disabled Wi-Fi on their mobile device.

Enable Wi-Fi from the Android setting.

We weren’t able to sign you onto null. Please go to the Wi-Fi settings and join the network from there.

Return to the app when you’re done.

The mobile device and air conditioner are connected to different Wi-Fi networks when attempting to register.

Connect the mobile device t

o the same network as the air conditioner, then retry the registration.

Could not connec

t to the device at this time. Please reset the device and try again.

The air conditioner is not connected to WiFi.

Check if the router connected to the air conditioner has internet access. (You can check by connecting the mobile device to the router, then opening the website.) If there is no access, connect the router to the internet.

Mobile device is not connected to the same network as the air conditioner.

Connect the mobile device to the same network as the air conditioner, then retry the registration.

The device fa

iled to

connect with service.

Your internet access may be down or

blocking requests to the service.

Causes

Solutions

2-4 MOBILE APP ERROR DISPLAY (In Wireless LAN Control system)

Could not register the device. Make sure the device is ready for registration.

The air conditioner is not connected to the router.

Enter the Wi-Fi setting on the mobile device, then check if the SSID of the air conditioner (AC-UTY-

) is connected. If the air conditioner is connected, retry the registration.

The router the air conditioner is connected to, has no internet access.

Check if the router connected to the air conditioner has internet access. (You can check by connecting the mobile device to the router, then open the website.) If there is no access, connect the router to the internet, then retry the registration.

The air conditioner

already registered.

If there is a mobile device that has already been registered to the air conditioner,

unregister by using the registered mobile device. Retry the registration with the mobile device you wish to register.

If you do not own the mobile device registered to the air conditioner (lost, property of previous owner, etc.), please ask your maker service to unregister the mobile device. P

lease notify the MAC address of the WLAN adapter as written on the Wireless LAN label.

* If the problem persists even if the all of the above is

conducted, please contact your dealer or authorized service personnel. When asking

for advice, please notify the MAC address of the WLAN adapter as written on the Wireless LAN label.

02-04

Error messages

Causes

Solutions

You need an internet connection to add new devices.

The user has disabled Wi-Fi on their mobile device.

Enable Wi-Fi from the iOS setting.

Could not register same LAN device. Make sure both devices are in the same LAN and try again to register.

The mobile device and air conditioner are connected to different Wi-Fi networks when attempting to register.

Connect the mobile device to the same network as the air conditioner, then retry the re

gistration.

No registrable device was found. Make sure Wi-Fi setup was successful. This method only works if the Wi-Fi was recently performed.

The air conditioner is not connected to WiFi.

bile device is not connected to the same network as the air conditioner.

Connect the mobile device to the same network as the air conditioner, then tap register button

Could not register the device. Make sure the device is ready for registration.

The air conditioner is not connected to the router.

Enter the Wi-Fi setting on the mobile device, then check if the SSID of the air conditioner (

AC-UTY-

) is connected. If the air conditioner is connected, retry the registration.

Registration Errors (For iOS)

02-04

Error messages

Causes

Solutions

Could not register the device. Make sure the device is ready for registration.

The router the air conditioner is connected to, has no internet access.

The air conditioner is already registered.

If the problem persists even if the all of the above is

conducte

d, please contact your dealer or authorized service personnel. When asking for advice, please notify the MAC address of the WLAN adapter as written on the Wireless LAN label.

If there is a mobile device that has already been registered to the air conditioner, unregister by using the registered mobile device. Retry the registration with the mobile device you wish t

o register.

If you do not own the mobile device registered to the air conditioner (lost, property of previous owner, etc.), please ask your maker service to

unregister the mobile device. Please notify the MAC address of the WLAN adapter as written on the Wireless LAN label.

02-04

Error messages

Causes

Solutions

The router the air conditioner is connected to, has no internet access.

The air conditioner is not connected to the router.

Check the LED indicators on the WLAN adapter. If the Green or Orange LED lamp is

TROUBLESHOOTING “State of the Wireless LAN indicators”.

General Errors (For Android)

No connectivity to WiFi or the cloud. Please check your network connection.

The mobile device has no internet access.

Connect the mobile device to the internet.

An error occurred while trying to update

again later.

02-04

Error messages

Causes

Solutions

“Device name” is (Device name varies

depending on the air conditioner)

The router the air conditioner is connected to has no internet access.

Check if the router connected to the air conditioner has internet access. (You can check by connecting the mobile device to the router, then opening the website to check access.) If there is no access, connect the router to the internet.

The air conditioner is not connected to the ro

uter.

Check the LED indicators on the WLAN adapter. If the Green or Orange LED lamp is

TROUBLESHOOTING "State of the Wireless LAN indicators".

Sign-in Errors (For Android/iOS)

Could not reach service.

The mobile device has no internet access.

Connect the mobile device to the internet.

General Errors (For iOS)

Failed to change password.

The mobile device has no internet access.

Connect the mobile device to the internet.

Cloud not determine service reachability.

Failed to update property.

Could not retrieve schedules.

The operation couldn’t be completed.

Operation timed out.

02-04

Error messages

Causes

Solutions

Error messages

Causes

Solutions

Trouble shooting 1 OUTDOOR UNIT Error Method:

Detective Actuators: Detective details:

Forecast of Cause:

YESYES

Serial Communication Error (Serial Reverse Transfer Error)

Outdoor unit Main PCB Outdoor unit Fan motor

1. Connection failure 2. External cause 3. Main PCB failure 4.Outdoor unit Fan motor failure

Check Point 1-1 : Reset the power and operate

Does error indication reappear?

Check Point 1-2 : Check external cause such as noise

Check if the ground connection is proper. Check if there is any equipment that causes harmonic wave near the power cable (Neon light bulb or any electronic equipment which causes harmonic wave).

Check Point 2 : Check connection

Check any loose or removed connection line of between indoor unit and outdoor unit.

>> If there is an abnormal condition, correct it by referring to Installation Manual or Data & Technical Manual.

Check connection condition in control unit. (If there is loose connector, open cable or mis-wiring)

Check Point 3 : Check the voltage of power supply

Check the voltage of power supply

>> Check if AC207V(AC230V-10%) - 253V(AC230V+10%) appears at outdoor unit terminal L - N.

When the indoor unit cannot receive the serial signal from Outdoor unit more than 2minutes after power ON, or the indoor unit cannot receive the serial signal more than 15seconds during normal operation.

02-05

2-5 TROUBLE SHOOTING WITH ERROR CODE

Check Point 4 : Check serial signal (Reverse transfer signal)

Check serial signal (Reverse transfer signal)

>> Check if indicated value swings between AC90V and AC270V at outdoor unit terminal 1 - 3. >> If it is abnormal, Check the parts as follows.

- Outdoor unit fan motor (PARTS INFORMATION 5) >> If Outdoor fan motor is abnormal, replace Outdoor unit fan motor and Main PCB.

>> If the parts are normal, replace Main PCB.

1 2

3 L N

RED

WHITE

BLACK

BLACK WHITE

Indicate or Display:

Indoor Unit : Operation indicator: 1 time Flash Timer indicator: 1 time Flash

Error code: [ E: 11 ]

Economy indicator: Continuous Flash

Detective Actuators: Detective details:

Forecast of Cause:

YESYES

Indoor unit Controller PCB Indoor unit Fan motor Outdoor unit Main PCB

1. Connection failure 2. External cause 3. Controller PCB failure 4. Indoor unit fan motor failure

5. Outdoor unit Main PCB

Check Point 1-1 : Reset the power and operate

Does error indication reappear?

Check Point 1-2 : Check external cause such as noise

Check if the ground connection is proper. Check if there is any equipment that causes harmonic wave near the power cable (Neon light bulb or any electronic equipment which causes harmonic wave).

Check Point 2 : Check connection

Check any loose or removed connection line of between indoor unit and outdoor unit.

>> If there is an abnormal condition, correct it by referring to Installation Manual or Data & Technical Manual.

Check connection condition in control unit. (If there is loose connector, open cable or mis-wiring)

Check Point 3 : Check the voltage of power supply

Check the voltage of power supply

>> Check if AC207V(AC230V-10%) - 253V(AC230V+10%) appears at outdoor unit terminal L - N.

Check Point 4 : Check serial signal (Forward transfer signal)

Check serial signal (Forward transfer signal)

>> Check if indicated value swings between AC30V and AC130V at outdoor unit terminal 2 - 3. >> If it is abnormal, replace Controller PCB. >> If it is abnormal, Check Indoor unit fan motor. (PARTS INFORMATION 4) >> If Indoor unit fan motor is abnormal, replace Indoor unit fan motor and Controller PCB. >> If it is abnormal, replace Outdoor unit Main PCB.

When the outdoor unit cannot properly receive the serial signal from indoor unit for 10 seconds or more.

02-06

1 2

3 L N

RED

WHITE

BLACK

BLACK WHITE

Trouble shooting 2 INDOOR UNIT Error Method:

Serial Communication Error (Serial Forward Transfer Error)

Indicate or Display:

Indoor Unit : Operation indicator: 1 time Flash

Timer indicator : 1 time Flash

Error code: [ E: 11 ]

Economy indicator: Continuous Flash

Trouble shooting 3 OUTDOOR UNIT Error Method:

Detective Actuators: Detective details:

1. The outdoor unit receives the serial signal of applied refrigerant information from Indoor unit. When the refrigerant is R410a.

2. When the outdoor unit type is multi.

02-07

Forecast of Cause:

Combination error

Indoor unit

1. The selection of indoor units is incorrect

Check Point 1 : Check the type of indoor unit

Check the type of the connected indoor unit.

>> If abnormal condition is found, correct it.

Check Point 2 : Replace Main PCB

If Check Point 1 do not improve the symptom, replace Main PCB of Outdoor unit.

Indicate or Display:

Indoor Unit :

Operation indicator: 2 time Flash Timer indicator : 3 time Flash

Error code: [ E: 23 ]

Economy indicator: Continuous Flash

Trouble shooting 4 INDOOR UNIT Error Method:

Forecast of Cause:

YES

Indoor unit Controller PCB Indoor unit Power PCB

1. Connection failure 2. External cause 3. Controller PCB failure 4. Power PCB failure

Test 1-1 : Reset the power supply and operate

Does error indication reappear?

Test 2 : Check connection

Check any loose or removed connection line of between indoor unit and outdoor unit.

>> If there is an abnormal condition, correct it by referring to Installation Manual or Data & Technical Manual.

Check connection condition in control unit. (If there is loose connector, open cable or miss-wiring.)

Test 3 : Check the voltage of power supply

Check the voltage of power supply

>> Check if AC207(AC230V-10%) - 253V(AC230V+10%) appears at outdoor unit terminal L - N.

When power frequency is not detected by 15 seconds after power-on.

Test 4 : Replace Controller PCB and Power PCB

If Test 1 - 3 do not improve the symptom, replace Controller PCB and Power PCB.

Test 1-2 : Check external cause such as noise

Check if the ground connection is proper. Check if there is any equipment that causes harmonic wave near the power cable (Neon light bulb or any electronic equipment which causes harmonic wave).

Indicate or Display:

Detective Actuators:

Detective details:

Power Supply Frequency Detection Error

02-08

Operation indicator: 3 time Flash Timer indicator : 1 time Flash

Error code: [ E: 31 ]

Indoor unit:

Economy indicator: Continuous Flash

02-09

Trouble shooting 5 INDOOR UNIT Error Method:

Indoor Unit Model Information Error EEPROM Access Abnormal

Detective Actuators:

Detective details:

Forecast of Cause:

Check Point 3 : Replace Controller PCB

Check Point 2 : Check Indoor unit electric components

YESYES

Indoor unit Controller PCB

1. External cause 2. Defective connection of electric components 3. Controller PCB failure

Check Point 1-1 : Reset Power Supply and operate

Does Error indication show again?

Check Point 1-2 : Check external cause such as noise

Check if the ground connection is proper. Check if there is any equipment that causes harmonic wave near the power cable (Neon light bulb or any electronic equipment which causes harmonic wave).

Note : EEPROM

EEPROM(Electronically Erasable and Programmable Read Only Memory) is a nonvolatile memory which keeps memorized information even if power is turned off. It can change the contents electronically. To change the contents, it uses higher voltage than normal, and it can not change a partial contents. (Rewriting shall be done upon erasing the all contents.) There is a limit in a number of rewriting.

Change Controller PCB.

Check all connectors. (loose connector or incorrect wiring)

Check any shortage or corrosion on PCB.

When power is on and there is some below case.

1. When model information of EEPROM is incorrect.

2. When the access to EEPROM failed.

Indicate or Display:

Indoor Unit : Operation indicator : 3 time Flash

Timer indicator : 2 time Flash Error code: [ E: 32 ]

Economy indicator: Continuous Flash

Trouble shooting 6 INDOOR UNIT Error Method:

Detective Actuators: Detective details:

Forecast of Cause :

OKOK

Manual Auto Switch Error

Indoor Unit Controller PCB Indicator PCB Manual Auto Switch

When the Manual Auto Switch becomes ON for consecutive 30 or more seconds.

1. Manual Auto Switch failure 2. Controller PCB and Indicator PCB failure

Check Point 1 : Check the Manual Auto Switch

Check if Manual Auto Switch is kept pressed. Check ON/OFF switching operation by using a meter.

>> If Manual Auto Switch is disabled (on/off switching), replace it.

Check Point 2 : Replace Controller PCB and Indicator PCB

If Check Point 1 do not improve the symptom, replace Controller PCB and Indicator PCB and execute the check operation again.

02-10

Indicate or Display:

Indoor Unit :

Operation indicator: 3 time Flash Timer indicator : 5 time Flash

Error code: [ E: 35 ]

Economy indicator: Continuous Flash

Detective Actuators:

Indoor unit Controller PCB Room temperature thermistor

Detective details:

When Room temperature thermistor open or short-circuit is detected.

Forecast of Cause :

1. Connector failure connection 2. Thermistor failure 3. Controller PCB failuer

Check Point 2 : Remove connector and check Thermistor resistance value

Thermistor Characteristics (Rough value)

If Thermistor is either open or shorted, replace it and reset the power.

Check Point 1 : Check connection of Connector

Check if connector is loose or removed Check erroneous connection Check if thermistor cable is open

>>Reset Power when reinstalling due to removed connector or incorrect wiring.

6.58.0

10.012.515.820.225.933.6

4.45.3Resistance value (k )

Check Point 3 : Check voltage of Controller PCB (DC5.0V)

Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor (DC5.0V)

If the voltage does not appear, replace Controller PCB and execute the check operation again.

BLACK BLACK

1 2

CN4

1 2

Thermistor(Room Termp.)

02-11

Trouble shooting 7 INDOOR UNIT Error Method:

Indoor Room Thermistor Error

Temperature (°C )

40 45

44.0

-5 10

58.3

-10 15 20 25

30 35

Resistance value (k )

Indicate or Display:

Indoor Unit :

Operation indicator : 4 time Flash Timer indicator : 1 time Flash

Error code: [ E: 41 ]

Economy indicator: Continuous Flash

Thermistor Characteristics (Rough value)

If Thermistor is either open or shorted, replace it and reset the power.

Detective Actuators:

Indoor unit Controller PCB Heat exchanger (MID) Thermistor

Detective details:

When Heat Ex. temperature thermistor open or short-circuit is detected.

Forecast of Cause :

1. Connector failure connection 2. Thermistor failure 3. Controller PCB failuer

Check Point 1 : Check connection of Connector

Check if connector is loose or removed Check erroneous connection Check if thermistor cable is open

>>Reset Power when reinstalling due to removed connector or incorrect wiring.

Check Point 2 : Remove connector and check Thermistor resistance value

Check Point 3 : Check voltage of Controller PCB (DC5.0V)

Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor (DC5.0V)

If the voltage does not appear, replace Controller PCB and execute the check operation again.

02-12

Trouble shooting 8 INDOOR UNIT Error Method:

Indoor Heat Ex. Thermistor Error

31.739.649.762.9

80.3103.3134.2176.0

17.120.925.6Resistance value (k )

Temperature (°C )

40 45 50

14.1

5 10

1131.9

-30

804.5

-25

579.6

-20

422.9

-15

312.3

-10

233.2

-5 15

20 25 30 35

11.66010.4

Resistance value (k )

BLACK BLACK

1 2

CN3

1 2

Thermistor ( Pipe temp.)

Indicate or Display:

Indoor Unit :

Operation indicator: 4 time Flash Timer indicator : 2 time Flash

Error code : [ E : 42 ]

Economy indicator: Continuous Flash

Forecast of Cause:

Test 1 : Check rotation of Fan

Test 2 : Check ambient temp. around motor

Indoor unit Controller PCB Indoor Fan motor

1. Fan motor failure 2. Motor protection by surrounding temperature rise

3. Controller PCB failure

Check if the Fan Motor is lock. (Can the Fan be rotated by hand when operation is off.) Check the Fan loosening. (Lock-nut loosening, defective propeller fan)

>> If Fan Motor or bearing is abnormal, replace it.

Check excessively high temperature around the motor.

Check Indoor unit Fan motor. ( SERVICE PARTS INFORMATION 4 )

(If there is any surrounding equipment that causes heat)

>> Upon the temperature coming down, restart operation.

Test 4 : Replace Controller PCB

If Test 1, 2 do not improve the symptom, replace Controller PCB.

Trouble shooting 9 INDOOR UNIT Error Method:

Test 3 : Check Indoor unit Fan motor

Indicate or Display:

Detective Actuators:

Detective details:

Indoor Fan Motor Lock Error Indoor Fan Motor Rev. Error

02-13

・When the condition that actual rev. of Indoor Fan is 1/3 or less.

・

When it detected 10 seconds continuously at the target rotation (200rpm) or more.

Or the condition of fan speed is 0rpm is continued more than 56 seconds.

Indoor Unit : Operation indicator: 5 time Flash Timer indicator : 1 time Flash

Error code : [ E : 51 ]

Economy indicator: Continuous Flash

Forecast of Cause:

Check 1 : is the front panel completely closed and in the right position?

Check 2 : some foreign body’s such as dust doesn't adhere,

- the air clean unit has no good contact

- the wiring between pcb and air clean unit is loose If there is no any abnormality Replace: the Plasma air clean unit is defect /Indoor unit controller PCB.

Plasma air clean unit is defect Indoor unit controller PCB defect

1. Plasma air clean unit is defect

2. Indoor unit controller PCB defect

Trouble shooting 10 INDOOR UNIT Error Method:

Indicate or Display:

Detective Actuators:

Detective details:

Plasma air clean unit Vdd Error

02-14

・The air clean operation signal was detected for 1 minute at the time of

air clean mode OFF.

Indoor Unit :

Operation indicator: 5 time Flash

Timer indicator : 4 time Flash

Error code : [ E : 54 ]

Economy indicator: Continuous Flash

Forecast of Cause:

Check 1 : Filter set position Set position: Refer to the operation manual

Check 2 : Intake grille closed completely Make sure that the Intake grille is closed completely

Limit SW Filter

1. Filter set position

2. Limit SW

Trouble shooting 11 INDOOR UNIT Error Method:

Indicate or Display:

Detective Actuators:

Detective details:

Filter set abnormal

02-15

・When the filter set postion was wrong.

Indoor Unit :

Operation indicator : 5 time Flash

Timer indicator : 5 time Flash

Error code : [ E : 55 ]

Economy indicator: Continuous Flash

Trouble shooting 12

Side Fan Motor ( Left ) Lock Error Side Fan Motor ( Left ) Rev. Error

INDOOR UNIT Error Method:

Indicate or Display:

Detective Actuators:

Detective details:

02-16

Indoor unit Controller PCB Indoor Side Fan motor ( Left )

・When the condition that actual rev. of Indoor Fan is 1/3 or less.

・When it detecteds 10 seconds continuously at the target rotation

(200rpm) or more.

Or the condition of fan speed is 0rpm is continued more than 56 seconds.

Forecast of Cause:

1. Fan motor failure 2. Motor protection by surrounding temperature rise

3. Controller PCB failure

Test 1 : Check connection of connector

Check if connector is removed. Check if connector is erroneous connection. Check if thermistor cable is open.

Upon correcting the removed connector or miss-wiring, reset the power.

Test 2 : Remove connector and Check Controller PCB side connector voltage value

Make sure circuit diagramof indoor unit and check connector voltage at Controller PCB.

If the mesurement value does not match the above table , replace the Controller PCB.

Remove the CN28 of Controller PCB.

CN 3

WHITE

SIDE FAN MOTOR ( LEFT )

SFM

WHITE

2 3 4 5

WHITE WHITE WHITE

Test 3 : Replace Side Fan

If Test 1, 2 do not improve the symptom , replace Side Fan.

Tester (+) Tester (-)

1 pin

Voltage Value

4 pin

5 pin 4 pin 20V

( Please before the remove the connector, power supply switch OFF . Then turn ON.)

Indoor Unit :

Operation indicator: 5 time Flash

Timer indicator : 9 time Flash

Error code: [ E : 59 ]

Economy indicator: Continuous Flash

Trouble shooting 13 INDOOR UNIT Error Method:

Side Fan Motor ( Right ) Lock Error Side Fan Motor ( Right ) Rev. Error

Forecast of Cause:

Indicate or Display:

Detective Actuators:

Detective details:

02-17

Indoor unit Controller PCB Indoor Side Fan motor ( Right )

1. Fan motor failure 2. Motor protection by surrounding temperature rise

3. Controller PCB failure

Test 2 : Remove connector and Check Controller PCB side connector voltage value

Test 1 : Check connection of connector

Check if connector is removed. Check if connector is erroneous connection. Check if thermistor cable is open.

Upon correcting the removed connector or miss-wiring, reset the power.

Make sure circuit diagramof indoor unit and check connector voltage at Controller PCB.

・When the condition that actual rev. of Indoor Fan is 1/3 or less.

・When it detecteds 10 seconds continuously at the target rotation

(200rpm) or more.

Or the condition of fan speed is 0rpm is continued more than 56 seconds.

If the mesurement value does not match the above table , replace the Controller PCB.

Remove the CN25 of Controller PCB.

CN 4

WHITE

SIDE FAN MOTOR ( RIGHT )

SFM

WHITE

2 3 4 5

1 2 3 4 5

WHITE WHITE WHITE

Test 3 : Replace Side Fan

If Test 1, 2 do not improve the symptom , replace Side Fan.

Tester (+) Tester (-)

1 pin

Voltage Value

4 pin

0V 2 pin 5 pin

4 pin 4 pin

20V 20V

( Please before the remove the connector, power supply switch OFF . Then turn ON.)

Indoor Unit : Operation indicator: 5 time Flash

Timer indicator : 10 time Flash

Error code : [ E : 5A ]

Economy indicator: Continuous Flash

Detective Actuators: Detective details:

Forecast of Cause:

Check Point 2 : Replace Main PCB

YESYES

Trouble shooting 14 OUTDOOR UNIT Error Method:

Outdoor unit main PCB model information error

Outdoor unit Main PCB

1. External cause (Noise, temporary open, voltage drop) 2. Main PCB failure

Check Point 1-1 : Reset Power Supply and operate

Does Error indication show again?

Check Point 1-2 : Check external cause

Check if temporary voltage drop was not generated. Check if momentary open was not generated. Check if ground is connection correctly or there are no related cables near the power line.

Change Main PCB.

Access to EEPROM failed due to some cause after outdoor unit started.

02-18

Indicate or Display:

Indoor Unit : Operation indicator: 6 time Flash Timer indicator : 2 time Flash

Error code: [ E : 62 ]

Economy indicator: Continuous Flash

02-19

Detective Actuators:

Detective details:

Forecast of Cause :

Check Point 1 : Replace Main PCB

Outdoor unit Main PCB

1. Main PCB failure

Change Main PCB.

Trouble shooting 15 OUTDOOR UNIT Error Method:

Trip terminal L error

Indicate or Display:

When the signal from FO terminal of IPM in Main PCB is "L"(=0V) while the compressor stops.

Indoor Unit : Operation indicator : 6 time Flash Timer indicator : 5 time Flash

Error code : [ E : 65 ]

Economy indicator: Continuous Flash

Trouble shooting 16 OUTDOOR UNIT Error Method:

Detective Actuators: Detective details:

Forecast of Cause :

OKOK

17.826.3

40.0

62.679.1100.9129.8168.6Resistance value (k )

1510

1013.1

-30

531.6

-20

292.9

-10

221.1

-5 50Temperature (°C )

12.3

30 5040 60

2.03.44.66.38.7Resistance value (k )

120100908070Temperature (°C )

Discharge Thermistor Error

Outdoor unit Main PCB Discharge pipe temperature thermistor

When Discharge pipe temperature thermistor open or short-circuit is detected at power ON or while running the compressor.

1. Connector connection failure 2. Thermistor failure 3. Main PCB failure

Check Point 1 : Check connection of connector

Check if connector is removed. Check if connector is erroneous connection. Check if thermistor cable is open.

>> Upon correcting the removed connector or mis-wiring, reset the power.

Check Point 2 : Remove connector and check thermistor resistance value

Thermistor characteristics (Approx. value)

If Thermistor is either open or shorted, replace it and reset the power.

Check Point 3 : Check voltage of Main PCB (DC5.0V)

Make sure circuit diagram of outdoor unit and check terminal voltage at thermistor (DC5.0V)

If the voltage does not appear, replace Main PCB.

02-20

BLACK BLACK BLACK BLACK

1 2 3 4

Indicate or Display:

Indoor Unit : Operation indicator: 7 time Flash Timer indicator : 1 time Flash

Thermistor (DISCHARGE PIPE )

Error code : [ E : 71 ]

Economy indicator: Continuous Flash

Trouble shooting 17 OUTDOOR UNIT Error Method:

Detective Actuators: Detective details:

Forecast of Cause :

OKOK

Heat Ex. Liquid Outlet Thermistor Error

Outdoor unit Main PCB Heat exchanger temperature thermistor

When Heat exchanger temperature thermistor open or short-circuit is detected at power ON or while running the compressor.

1. Connector connection failure 2. Thermistor failure 3. Main PCB failure

Check Point 1 : Check connection of connector

Check if connector is removed. Check if connector is erroneous connection. Check if thermistor cable is open.

>> Upon correcting the removed connector or mis-wiring, reset the power.

Check Point 2 : Remove connector and check thermistor resistance value

Thermistor characteristics (Approx. value)

If Thermistor is either open or shorted, replace it and reset the power.

Check Point 3 : Check voltage of Main PCB (DC5.0V)

Make sure circuit diagram of outdoor unit and check terminal voltage at thermistor (DC5.0V)

If the voltage does not appear, replace Main PCB.

02-21

7.7

9.712.416.120.927.549.2Resistance value (k )

0-5-10-20

92.3

-30Temperature (°C )

10 15

0.91.31.82.64.0Resistance value (k )

0.7

0.5

9060504030

6.1

20Temperature (°C )

Indicate or Display:

Indoor Unit :

Operation indicator: 7 time Flash Timer indicator : 3 time Flash

BLACK BLACK BLACK BLACK

Thermistor

(PIPE temp.)

1 2 3 4

Error code: [ E : 73 ]

Economy indicator: Continuous Flash

Trouble shooting 18 OUTDOOR UNIT Error Method:

Detective Actuators: Detective details:

Forecast of Cause :

OKOK

16.1

20.726.935.246.662.3115.2Resistance value (k )

0-5-10-20

224.3

-30Temperature (°C )

10 15

1.72.43.55.28.0Resistance value (k )

1.2

8060504030

12.6

20Temperature (°C )

Outdoor Thermistor Error

Outdoor unit Main PCB Outdoor temperature thermistor

When Outdoor temperature thermistor open or short-circuit is detected at power ON or while running the compressor.

1. Connector connection failure 2. Thermistor failure 3. Main PCB failure

Check Point 1 : Check connection of connector

Check if connector is removed. Check if connector is erroneous connection. Check if thermistor cable is open.

>> Upon correcting the removed connector or mis-wiring, reset the power.

Check Point 2 : Remove connector and check thermistor resistance value

Thermistor characteristics (Approx. value)

If Thermistor is either open or shorted, replace it and reset the power.

Check Point 3 : Check voltage of Main PCB (DC5.0V)

Make sure circuit diagram of outdoor unit and check terminal voltage at thermistor (DC5.0V)

If the voltage does not appear, replace Main PCB.

02-22

BLACK

Thermistor

(Outdoor temp.)

1 2 3

Indicate or Display:

Indoor Unit : Operation indicator : 7 times Flash Timer indicator : 4 times Flash

Error code : [ E: 74 ]

Economy indicator: Continuous Flash

Trouble shooting 19 OUTDOOR UNIT Error Method:

Current Sensor Error

02-23

Detective Actuators:

Detective details:

Forecast of Cause :

Check Point 4 : Replace Main PCB

YES

Outdoor unit Main PCB

Check Point 2 : Check connections of Outdoor Unit Electrical Components

Check if connector is removed.

Check if the terminal connection is loose. Check erroneous connection.

Check if cable is open.

>>Upon correcting the removed connector or mis-wiring, reset the power.

Check Point 1-2 : Check external cause at Indoor and Outdoor (Voltage drop or Noise)

1. Defective connection of electric components 2. External cause 3. Main PCB failure

Instant drop : Check if there is a large load electric apparatus in the same circuit.

Momentary power failure : Check if there is a defective contact or leak current in the power supply circuit.

Noise : Check if there is any equipment causing harmonic wave near electric line.(Neon bulb or electric equipment that may cause harmonic wave) Check the complete insulation of grounding.

Check Point 1-1 : Reset Power Supply and operate

Does Error indication show again?

When input current sensor has detected 0A, while Inverter compressor is operating at higher than 56rps, after 1 minute upon starting the compressor. (Except during the defrost operation)

If Check Point 1, 2 do not improve the symptom, change Main PCB.

Indicate or Display:

Indoor Unit : Operation Inedicator: 8 times Flash Timer indicator : 4 times Flash

Error code: [ E : 84 ]

Economy indicator: Continuous Flash

Trouble shooting 20 OUTDOOR UNIT Error Method:

Detective Actuators: Detective details:

02-24

High Pressure Switch Error

Forecast of Cause :

Check Point 1 : Check the high pressure switch connection state

Outdoor unit Main PCB High Pressure Switch

1. High pressure switch connector disconnection, open

2. High pressure switch characteristics failure

3. Main PCB failure

When pressure switch open is detected in 10 seconds after the power is turned on.

Connector and wiring connection state check Cable open check

Check Point 2 : Check the high pressure switch characteristics

Switch characteristics check * For the characteristics of high pressure switch, refer to below.

Check Point 3 : Replace Main PCB

Change Main PCB, and execute the check operation again.

Type of contact

Characteristics of pressure switch

Pressure

Pressure switch 1

4.2 0.1MPa

3.2 0.15MPa

Contact : Short Open Contact : Open Short

(Connector: P20)

Indicate or Display:

Indoor Unit : Operation indicator : 8 times Flash Timer indicator : 6 times Flash

Error code: [ E : 86 ]

Economy indicator: Continuous Flash

02-25

Trouble shooting 21 OUTDOOR UNIT Error Method:

Trip detection

Detective Actuators:

Detective details:

Forecast of Cause :

OKOK

Outdoor unit Main PCB Compressor

Check Point 2: Check IPM on the Main PCB

>> If IPM is abnormal, replace Main PCB.

OKOK

Check Point 3: Replace Compressor

If Check Point 2 do not improve the symptom, change Compressor.

1. Outdoor unit fan operation defective, foreign matter on hear exchanger, excessive rise of ambient temperature

2. Main PCB

3. Inverter compressor failure (lock, winding short)

"Protection stop by overcurrent generation after inverter compressor start processing completed'' generated consecutively 10 times. * The number of generations is reset if the start-up of the compressor succeeds.

No obstructions in air passages? Heat exchange fins clogged Outdoor unit fan motor check Ambient temperature not raised by the effect of other heat sources? Discharged air not sucked in?

Check Point 1 : Check the outdoor unit fan operation, heat exchanger, ambient temperature

Check IPM. (PARTS INFORMATION 6)

Indicate or Display:

Indoor Unit : Operation indicator : 9 times Flash Timer indicator : 4 times Flash

Error code : [ E : 94 ]

Economy indicator: Continuous Flash

Trouble shooting 22 OUTDOOR UNIT Error Method:

Compressor Control Error

02-26

Detective Actuators:

Detective details:

Forecast of Cause :

Check Point 2 : Check connection of around the Compressor components

OKOK

Check Point 4: Replace Main PCB

Outdoor unit Main PCB Compressor

1. Defective connection of electric components 2. Main PCB failure 3. Compressor failure

If Check Point 1,2 or 1 3 do not improve the symptom, change Main PCB.

Check if connector is removed. Check erroneous connection. Check if cable is open.

>>Upon correcting the removed connector or mis-wiring, reset the power.

(Refer to PARTS INFORMATION 2)

For Compressor Terminal, Main PCB

While running the compressor, if the detected rotor location is out of phase with actual rotor location more than 90°, the compressor stops. After the compressor restarts, if the same operation is repeated within 40sec, the compressor stops again. If and repeats 5 times, the compressor stops permanently.

Check Point 1 : Check Noise from Compressor

Turn on Power and check operation noise.

If an abnormal noise show, replace Compressor.

OKOK

Check Point 5: Replace Compressor

If Check Point 4 do not improve the symptom, change Compressor.

OKOK

Check Point 3: Check Main PCB (IPM)

>> If IPM is abnormal, replace Main PCB.

Check IPM. (PARTS INFORMATION 6)

Indicate or Display:

Indoor Unit : Operation indicator : 9 times Flash Timer indicator : 5 times Flash

Error code : [ E : 95 ]

Economy indicator: Continuous Flash

02-27

Trouble shooting 23

OUTDOOR UNIT Error Method:

Detective Actuators:

Detective details:

Forecast of Cause:

Check Point 3 : Check Outdoor unit fan motor

Outdoor Unit Fan Motor Error

Outdoor unit Main PCB Outdoor unit fan motor

1. Fan rotation failure 2. Motor protection by surrounding temperature rise 3. Main PCB failure

4. Outdoor unit fan motor failure

Check Point 1 : Check rotation of Fan

Rotate the fan by hand when operation is off. (Check if fan is caught, dropped off or locked motor)

>>If Fan or Bearing is abnormal, replace it.

Check Outdoor unit fan motor. (PARTS INFORMATION 5) >>If Outdoor Fan Motor is abnormal, replace Outdoor fan motor and Main PCB.

Check Point 4 : Check Output Voltage of Main PCB

Check outdoor unit circuit diagram and the voltage. (Measure at Main PCB side connector)

If the voltage is not correct, replace Main PCB.

When outdoor fan rotation speed is less than 100rpm in 20 seconds after fan motor starts, fan motor stops. After fan motor restarts, if the same operation within 60sec is repeated 3 times in a row, compressor and fan motor stops. If and repeats 5 times in a row, compressor and fan motor stops

permanently.

Check Point 2 : Check ambient temp. around motor

Check excessively high temperature around the motor. (If there is any surrounding equipment that causes heat)

>>Upon the temperature coming down, restart operation.

Read wire DC voltage Red - Black

240 ~ 400V

White - Black

15 1.5V

PN650

1 2 3 4 5 6 7

BLACK WHITE YELLOW BROWN

RED

FAN MOTOR

Indicate or Display:

Indoor Unit : Operation indicator : 9 times Flash Timer indicator : 7 times Flash

Error code : [ E : 97 ]

Economy indicator: Continuous Flash

02-28

Trouble shooting 24 OUTDOOR UNIT Error Method:

4-Way Valve Error

Detective Actuators:

Detective details:

Forecast of Cause :

OKOK

Indoor unit Controller PCB Heat Ex. temperature thermistor Room temperature thermistor 4-way valve

When the indoor heat exchanger temperature is compared with the room temperature, and either following condition is detected continuously two times, the compressor stops.

1. Air filter clogged 2. Connector connection failure 3. Thermistor failure 4. Coil failure

5. 4-way valve failure 6. Controller PCB failure

Check Point 2 : Check connection of Connector

Check if connector is removed.

Check erroneous connection. Check if thermistor cable is open.

>> Upon correcting the removed connector or mis-wiring, reset the power.

Check Point 4 : Check the solenoid coil and 4-way valve

Remove CN30 from PCB and check the resistance value of coil. Resistance value is 2.085 (at 20°C).

>> If it is Open or abnormal resistance value, replace Solenoid Coil.

Cooling or Dry operation [Indoor heat exchanger temp.] - [Room temp.] > 10°C

Heating operation [Indoor heat exchanger temp.] - [room temp.] < -10°C

If the same operation is repeated 5 times, the compressor stops permanently.

[ Solenoid coil ]

Check each piping temperature, and the location of the valve by the temperature difference.

>> If the value location is not proper, replace 4-way valve.

[ 4-way valve ]

OKOK

Check Point 5 : Replace Controller PCB

If Check Point 1- 3 do not improve the symptom, replace Controller PCB.

Check Point 3 : Check each thermistor

Isn’t it fallen off the holder? Is there a cable pinched?

>> Check characteristics of thermistor (Refer to Trouble shooting 7, 8), If defective, replace the thermistor

OKOK

Check Point 1 : Check the Air filter condition

Check is Air filter dirty.

>>If the Air filter dirty, clean up the Air filter.

Indicate or Display:

Indoor Unit : Operation indicator : 9 times Flash Timer indicator : 9 times Flash

Error code : [ E : 99 ]

Economy indicator: Continuous Flash

Discharge temperature thermistor Outdoor unit Main PCB

"Protection stop by "discharge temperature 110degC during compressor operation"" generated 2 times within 24 hours.

Check Point 1 : Check if 3-way valve(gas side) is open.

Discharger thermistor characteristics check (Check by disconnecting thermistor from PCB.)

* For the characteristics of the thermistor, refer to the "Trouble shooting 16".

Check Point 4 : Check the discharge thermistor

EEV open? Strainer clogging check

(Refer to PARTS INFORMATION 3)

Check Point 3 : Check the outdoor unit fan,heat exchanger

Check for foreign object at heat exchanger Check if fan can be rotated by hand. Motor check (PARTS INFORMATION 5)

Check Point 2 : Check the EEV, strainer

Check Point 5 : Check the refrigerant amount

Leak check

EEV open? Strainer clogging check

(Refer to PARTS INFORMATION 3)

Check Point 2 : Check the EEV, strainer

If the 3-way valve(gas side) was closed, open the 3-way valve(gas side) and check operation.

02-29

Check Point 1 : Check if 3-way valve(liquid side) is open.

If the 3-way valve(liquid side) was closed, open the 3-way valve(liquid side) and check operation.

1. 3-way valve not opened 2. EEV defective, strainer clogged

3. Outdoor unit operation failure, foreign matter on heat exchanger

4. Discharge temperature thermistor failure 5. Insufficient refrigerant

6. Main PCB failure

Detective Actuators:

Detective details:

Forecast of Cause :

Trouble shooting 25 OUTDOOR UNIT Error Method:

Discharge Temp. Error

Check Point 6 : Replace Main PCB

If Check Point 1- 5 do not improve the symptom, replace Main PCB.

Indicate or Display:

Indoor Unit : Operation indicator : 10 times Flash Timer indicator : 1 times Flash

Error code : [ E : A1 ]

Economy indicator: Continuous Flash

Forecast of Cause:

1. Connection between A/C and Wireless LAN adapter failure

2. Wireless LAN adapter PCB failure

3. Controller PCB failure

External Communication Error

(Communication Error of between Indoor unit to Wireless LAN adapter)

Detective Actuators: Detective details:

Indicate of Display:

Indoor Unit : Operation indicator: 1 times Flash

Timerindicator : 8 times Flash

Wireless LAN adapter : LED 1 (Green) : Flashing Fast LED 2 (Orange) : ON

Wireless LAN adapter PCB Controller PCB

After receiving a signal from the wireless LAN adapter, the same a signal has not been received for 15sec.

Check Point 1 : Check the connection

Check any loose or removed connection of between the Wireless LAN adapter PCB and Controller PCB >If there is abnormal condition, correct it.

Check the connection condition on the Controller PCB >If there is loose connector, open cable or miswiring, correct it.

Check Point 2 : Replace wireless LAN adapter

If Check Point 1 do not improve the symptom, replace Wireless LAN adapter and Please cancel the air conditioner of the registration on the Mobile App. After the replace adapter, Please perform the pairing on the app.

>>Air conditioning de-registration method, refer to page “02 - 36 ”

>>Pairing method, refer to page “02 - 37 ”

Check Point 3 : Replace Controller PCB

If Check Point 2 do not improve the symptom, replace controller PCB.

Controller PCB

02-30

Error code: [ E : 18 ]

Economy indicator: Continuous Flash

Trouble shooting 26 INDOOR UNIT Error Method:

Forecast of Cause:

1. Wireless LAN adapter setting button failure

2. Wireless LAN adapter PCB failure

Wireless LAN adapter Error

Trouble shooting 27 INDOOR UNIT Error Method:

Detective Actuators: Detective details:

Indicate of Display:

Indoor Unit : Operation indicator: No indication Timer indicator : No indication

Wireless LAN adapter : LED 1 (Green) : Flashing Fast LED 2 (Orange) : Flashing Fast

Wireless LAN adapter setting button Wireless LAN adapter PCB

When the Setting button becomes ON for consecutive 60 or more seconds.

Check Point 1 : Check the setting button

Check if Setting button is kept pressed. > If the Settings button is held down by the foreign matter, Please remove the foreign matter or remove the cause of the button press.

Check Point 2 : Replace wireless LAN adapter

>>Air conditioning de-registration method, refer to page “02 - 36 ”

>>Pairing method, refer to page “02 - 37 ”

Setting button

02-31

Error code :

Economy indicator: Continuous Flash

Forecast of Cause:

1. Connection cable failure of Wireless LAN router

2. Network Connection between Wireless LAN adapter and Wireless LAN router failure

3. Wireless LAN router failure

4. Wireless LAN adapter PCB failure

Network Communication Error

(Commnunication Error of between Wireless LAN Router to Wireless LAN adapter)

Trouble shooting 28 INDOOR UNIT Error Method:

Detective Actuators: Detective details:

Indicate of Display:

Indoor Unit : Operation indicator: No indication Timer indicator : No indication

Wireless LAN adapter : LED 1 (Green) : ON LED 2 (Orange) : Flashing Fast

Wireless LAN router Wireless LAN adapter PCB

When the Not connection between Wireless LAN adapter and Wireless LAN router.

Check Point 2-1 : Check the connection status

Check the Wireless transmission state of Wireless LAN router.(LED status) >If the wireless transmission from the Wireless LAN router has not been outgoing,

Please the inquiry to “Wireless LAN router maker”.

Check Point 3 : Turn on power again of Air conditioner

If Check Point 1,2 do not improve the symptom, turn on power again of the Air conditioner, please wait 60 seconds.

Check the connection status to the Internet and Wireless LAN router. >If the Wireless LAN Router is not connected to the Internet,

Please check the transmission between

"Wi-Fi products of other than Air conditioner" and "Wireless LAN router".

Check Point 4 : Replace Wireless LAN adapter

If Check Point 3 do not improve the symptom, replace Wireless LAN adapter and Please cancel the air conditioner of the registration on the Mobile App. After the replace adapter, Please perform the pairing on the app.

>>Air conditioning de-registration method, refer to page “02 - 36 ”

>>Pairing method, refer to page “02 - 37 ”

Controller PCB

Check Point 2-2 : Check the transmission state

Ex. ) Wi-Fi products

GAME

02-32

NG or

Check Point 1-1 : Check the position of wireless LAN router

Please make sure that the wireless LAN router locates to the place in the limitation for the wireless communication, If the distance between the LAN adapter and the router was out of specification, change the position of the router.

Check Point 1-2 : Check the connection cable

Check the connection cable on the Wireless LAN router. >If there is loose connector, open cable or miswiring, correct it.

Error code :

Economy indicator: Continuous Flash

Forecast of Cause:

1. Connection cable failure of Wireless LAN router, 2. Wireless LAN router failure

3. Connection between A/C and Wireless LAN adapter failure

4. Network connection between Wireless LAN adapter and Wireless LAN router failure

5. Wireless LAN adapter PCB failure, 6. Controller PCB failure

Communication Error

(”Trou.26” and “Trou.28” are simultaneous Error)

Trouble shooting 29 INDOOR UNIT Error Method:

Detective Actuators: Detective details:

Indicate of Display:

Wireless LAN adapter : LED 1 (Green) : Flashing Fast LED 2 (Orange) : Flashing Fast

Wireless LAN adapter PCB Indoor unit Controller PCB

When the "External Communication Error" and "Network Communication Error" has occurred at the same time.

Indoor Unit : Operation Indicator : 1 time Flash Timer indicator : 8 time Flash

Wireless LAN router

Check Point 2 : Check the connection status and transmission state

Check the Wireless transmission state of Wireless LAN router.(LED status) >If the wireless transmission from the Wireless LAN Router has not been outgoing,

Please the inquiry to “Wireless LAN router maker”.

Check Point 3-1 : Turn on power again of Air conditioner

If Check Point 1,2 do not improve the symptom, turn on power again

of the Air conditioner,please wait 60 seconds.

YES

Wireless LAN adapter : LED 1 (Green) : Flashing Fast , LED 2 (Orange) :ON

Did the display pattern will change?

> When the flashing pattern of the LED 2(Orange) is “ON” >> Refer to “Check Point 3-2”. > When the flashing pattern of the LED 2(Orange) is “Flashing Fast” >> Refer to “Check Point 4”.

Controller PCB

Check the connection status to the Internet and Wireless LAN router. >If the Wireless LAN Router is not connected to the Internet,

Please check the transmission between "Wi-Fi products of other than Air conditioner" and "Wireless LAN ruter". > When there is no problem with Wi-Fi products >> Refer to “Check Point 4”.

Check Point 1-1 : Check the position of wireless LAN router

To NEXT PAGE

Ex. ) Wi-Fi products

GAME

02-33

NG or

Check Point 1-2 : Check the connection cable

Check the connection cable on the Wireless LAN router. >If there is loose connector, open cable or miswiring, correct it.

Error code: [ E: 18 ]

Economy indicator: Continuous Flash

Check Point 3-2 : Check the connection

Check any loose or removed connection of between the Wireless LAN adapter PCB and Controller PCB >If there is abnormal condition, correct it.

Check the connection condition on the Controller PCB >If there is loose connector, open cable or miswiring, correct it.

Check Point 4 : Replace Wireless LAN adapter

If Check Point 2,3 do not improve the symptom, replace Wireless LAN adapter and Please cancel the air conditioner of the registration on the Mobile App. After the replace adapter, Please perform the pairing on the app.

>>Air conditioning de-registration method, refer to page “02 - 36 ”

>>Pairing method, refer to page “02 - 37”

Check Point 5 : Replace Controller PCB

If Check Point 4 do not improve the symptom, replace controller PCB.

YES

CONTINUATION

02-34

Forecast of Cause:

1. Indoor unit Controller PCB failure

2. Wireless LAN adapter PCB failure

3. Wiring connection failure

Wireless LAN adapter Non-Energized

Trouble shooting 30 INDOOR UNIT Error Method:

Detective Actuators: Detective details:

Indicate of Display:

Indoor Unit : Operation indicator: 1 time Flash Timer indicator : 8 time Flash

Wireless LAN adapter : LED 1 (Green) : OFF LED 2 (Orange) : OFF

Indoor unit Controller PCB Wireless LAN adapter PCB

When the does not output the DC12 voltage from Controller PCB.

Check Point 2 : Check the connection

Check any loose or removed connection of between the Wireless LAN adapter PCB and Controller PCB >If there is abnormal condition, correct it.

Check the connection condition on the Controller PCB >If there is loose connector, open cable or miswiring, correct it.

Check Point 3 : Check the Wireless LAN adapter PCB and Controller PCB

Check Voltage at CN12 (terminal 1-2) of Controller PCB. >If it is DC 0V, Controller PCB is failure. Replace Controller PCB.

>If it is DC12V, Wireless LAN adapter PCB failure. Replace Wireless LAN adapter and please cancel the air conditioner of the registration on the Mobile App. After the replace adapter, Please perform the pairing on the App.

>>Air conditioning unregistration method, refer to page “02 - 36 ”

>>Pairing method, refer to page “02 - 37”

Error code : [ E : 18 ]

Economy indicator: Continuous Flash

Check Point 1 : Check the Sleep mode

Press the Wireless LAN adapter setting button the 3 seconds or more.

Wireless LAN adapter : LED 1 (Green) : Flashing Fast , LED 2 (Orange) : Flashing Fast

Did the display pattern will change?

YES

To “Trouble shooting 29”

02-35

Forecast of Cause:

1. Sleep mode

Wireless LAN adapter Sleep mode

Trouble shooting 31

INDOOR UNIT Error Method:

Detective Actuators: Detective details:

Indicate of Display:

Indoor Unit : Operation lamp: No indication Timer lamp : No indication ERROR CODE : [ No indication ]

Wireless LAN adapter : LED 1 (Green) : OFF LED 2 (Orange) : OFF

Sleep mode

When the state in which fly a wireless(SSID) have passed 1 hour.

Check Point 1 : Check the sleep mode

Press the Wireless LAN adapter setting button the 3 seconds or more.

Wireless LAN adapter : LED 1 (Green) : ON , LED 2 (Orange) : Flashing Fast

Did the display pattern will change?

YES

To “Trouble shooting 28”

02-35

Air Conditioning De-registration Method

If you replace the Wireless LAN adapter, you will need to de-register all of the conditioner information on the App.

Unregister method is as follows.

Launch the mobile app(FGL air).

Please long-push the registered “Device name” of Air Conditioner.

Then will display the “Unregister” button. Please tap the “Unregister” button.

Please tap the “Yes” .

Air Conditioner Unregister is complete.

FGL air

02-36

Button Mode

*Lighting pattern:

OFF

Flashing

Launch the mobile app(FGL air).

Sign in with your Email address and password (as registered in “4.2. User registration”) following the screen on the mobile app.

john@fgl .com



Press the [+] button to add a new air conditioner.

Confirm that LED 2 is flashing.(On/ off at 2-second intervals.) Then select [Button mode] on the screen.

If LED 1 and 2 are off, push the Setting button once.

(Refer to “5. SLEEP MODE” SETTING MANUAL)

Butto nm ode

Manual mode

(on/off=2sec/2sec)

Press the WPS button on the wireless router that you are connecting to.

Refer to the operating manual of the wireless router for the location of the button and how to press it.

Wireless router

(On/off at 2-second intervals.) Then press and hold the Setting button on the WLAN adapter for 3 seconds.

LED 2 lighting will change.

(on/off: 2sec/2sec → 2sec/0.5sec)

Confirm that the LED 1 and 2 is both on to proceed.

(on/off = 2sec/2sec)

(on/off=2sec/0.5sec)

Press [Register] to start the connection with the wireless router.

LED 1 and 2 will both flash 2 times, and a message will appear when setup is complete.

Registra tion

Succe ssful!

(2 times)

Manual mode

*Lighting pattern:

OFF

Flashing

1~3

See steps 1 to 3 in “4.3.1. Button mode”

Select [Manual mode].

If LED 1 and 2 are off, push the Setting button once. (Refer to “5. SLEEP MODE”

SETTING MANUAL

)

Butto nmo de

Manual mode

[For Android]

Choose from the following modes to connect your Air conditioner to your Wireless LAN router.

Note:



Before starting this setting, wait for 60 seconds or more after the power supply is connected to the air conditioner (via breaker or plug).



If both LED 1 and 2 are off, the WLAN adapter may be in Sleep mode. Be sure it is deactivated before setting up the wireless LAN. (Refer to “SETTING MANUAL”)



Check that the smartphone or tablet PC is linked to the wireless router you are connecting the air conditioner. The setting will not work if it is not connected to the same wireless router.



The display screen design may differ depending on the version of the mobile app.



To control 2 or more air conditioners with the same smartphone or tablet PC, repeat the setup of the chosen mode.

Confirm that LED 2 is flashing.

Air conditioner registration

Paring Method

FGL air

02-37

Select the SSID of the air conditioner you are connecting to.

AC-UT Y-xxx xxxxxxx

Select the SSID of the wireless router you are connecting to. Input the wireless router (WLAN access point) password then press [Connect device].

Home A P

Enter

passw ord

Selec t the WLA N

Acces s Point

XYZ AP

 

ABC12 3

Connect device

Selec ted router

LED 1 and 2 will both flash 2 times, and a message will appear when setup is complete.

Regis tration

Succe ssful!

(2 times)

[For iOS]

Select [Open W-LAN setting] or activate the wireless LAN by pressing the Home button -> [Setting] -> [Wi-fi ]. Select the SSID of the air conditioner you are connecting to.

Open W-LAN sett ing

conti nue

AC-UT Y-xxx xxxxxxx

Select the SSID of the wireless router you are connecting to. Input the wireless router (WLAN Access Point) password then press [Connect device].

Home A P

Enter

passw ord

Selec t the WLA N

Acces s Point

XYZ AP

 

ABC12 3

Connect device

Selec ted router

LED 1 and 2 will both flash 2 times, and a message will appear when setup is complete.

Regist ration Succe ssful!

(2 times)

Enter

passw ord

 

Connect device

Selec ted router

Input the PIN code written on the WLAN label.

AC-UT Y-xxx xxxxxxx

Enter

passw ord

 

Connect device

Selec ted router

Trouble shooting 32

Forecast of Cause:

OKOK

Indoor Unit - No Power

1. Power Supply failure 2. External cause

3. Electrical Components defective

Check Point 1 : Check Installation Condition

Isn’t the breaker down? Check loose or removed connection cable.

>>If abnormal condition is found, correct it by referring to Installation Manual or Data & Technical Manual.

Check Point 2 : Check external cause at Indoor and Outdoor (Voltage drop or Noise)

Instant drop ----- Check if there is a large load electric apparatus in the same circuit. Momentary power failure ----- Check if there is a defective contact or leak current in

the power supply circuit. Noise ----- Check if there is any equipment causing harmonic wave near electric line.

(Neon bulb or electric equipment that may cause

harmonic wave)

Check the complete insulation of grounding.

02-38

2-6 TROUBLE SHOOTING WITH NO ERROR CODE

Check Point 3 : Check Electrical Components

YESYES

Check the voltage of power supply.

>> Check if AC216 - 264V appears at Outdoor Unit Terminal L - N.

Check Varistor in Filter PCB.

>> If Varistor is defective, there is a possibility of an abnormal power supply. Check the correct power supply and replace Varistor. Upon checking the normal power supply, replace Varistor.

Check Fuse in Filter PCB.

>> If Fuse is open, check if the wiring between Terminal and Filter PCB is loose, and replace Fuse.

Trouble shooting 33

Forecast of Cause:

Check Point 3 : Check Electrical Components

OKOK

YESYES

Check Point 1 : Check Installation Condition

Outdoor Unit - No Power

1. Power Supply failure 2. External cause

3. Electrical Components defective

Isn’t the breaker down? Check loose or removed connection cable.

>>If abnormal condition is found, correct it by referring to Installation Manual or Data & Technical Manual.

Check Point 2 : Check external cause at Indoor and Outdoor (Voltage drop or Noise)

Instant drop ----- Check if there is a large load electric apparatus in the same circuit. Momentary power failure ----- Check if there is a defective contact or leak current in the power supply circuit. Noise ----- Check if there is any equipment causing harmonic wave near electric line.

(Neon bulb or electric equipment that may cause harmonic wave) Check the complete

insulation of grounding.

Check the voltage of power supply.

>> Check if AC216 - 264V appears at Outdoor Unit Terminal L - N.

Check Fuse in Main PCB.

>> If Fuse is open, check if the wiring between Terminal and Main PCB is loose,

and replace Fuse.

If the symptom does not change by above Check 3, replace Main PCB.

02-39

Trouble shooting 34

Forecast of Cause:

Check Point 2 : Check external cause at Indoor and Outdoor (Voltage drop or Noise)

Check Point 1 : Check indoor and outdoor installation condition

No Operation (Power is ON)

1. Setting/ Connection failure 2. External cause

3. Electrical Component defective

Indoor Unit - Check incorrect wiring between Indoor Unit - Remote Control. Or, check if there is an open cable connection. Are these Indoor Unit, Outdoor Unit, and Remote Control suitable model numbers to connect?

>> If there is some abnormal condition, correct it by referring to Installation manual and

Data & Technical Manual.

Turn off Power and check/ correct followings.

Is there loose or removed communication line of Indoor Unit and Outdoor Unit?

(Neon bulb or electric equipment that may cause harmonic wave)

Check the complete insulation of grounding.

02-40

Attention

Trouble shooting 35

Forecast of Cause:

Check Point 2 : Check Outdoor Unit Operation

Check Point 1 : Check Indoor Unit

Check Point 3 : Check Site Condition

Check Point 5 : Check Refrigeration cycle

Check Point 4 : Check Indoor/ Outdoor Installation Condition

Pipe (In) Pipe (Out)

OKOK

MPa MPa

No Cooling / No Heating

1. Indoor Unit error 2. Outdoor Unit error

3. Effect by Surrounding environment

4. Connection Pipe / Connection Wire failure 5. Refrigeration cycle failure

Does Indoor unit FAN run on HIGH FAN?

Is Air Filter dirty?

Is Heat Exchanger clogged? Check if Energy save function is operated.

Check if Outdoor Unit is operating Check any objects that obstruct the air flow route. Check clogged Heat Exchanger. Is the Valve open?

Is capacity of Indoor unit fitted to Room size?

Any windows open? Or direct sunlight ?

Check connection pipe (specified pipe length & Pipe diameter?)

Check any loose or removed communication line.

>> If there is an abnormal condition, correct it by referring to Installation Manual or Data & Technical Manual.

Check if Strainer is clogged (Refer to the figure at right).

Measure Gas Pressure and if there is a leakage, correct it.

>> When recharging the refrigerant, make sure to perform vacuuming, and recharge the specified amount.

Check EEV (PARTS INFORMATION 3)

Check Compressor (PARTS INFORMATION 1,2)

Strainer normally does not have temperature difference between inlet and outlet as shown in , but if there is a difference like shown in , there is a possibility of inside clogged. In this case, replace Strainer.

02-41

Trouble shooting 36

Forecast of Cause :

Trouble shooting 37

Forecast of Cause:

OKOK

MPa MPa

Abnormal Noise

1. Abnormal installation (Indoor/ Outdoor)

2. Fan failure (Indoor/ Outdoor)

3. Compressor failure (Outdoor)

Diagnosis method when Abnormal Noise is occurred

Abnormal noise is coming from Indoor Unit. (Check and correct followings)

Abnormal noise is coming from Outdoor Unit. (Check and correct followings)

Is Fan broken or deformed? Is the screw of Fan loose? Is there any object which obstruct the Fan rotation?

Is Main unit installed in stable condition? Is the installation of air suction grille and front panel normal?

Is Fan broken or deformed? Is the screw of Fan loose?

Is there any object which obstruct the Fan rotation?

Is Main Unit installed in stable condition? Is Fan Guard installed normally?

Check if

vibration noise by loose bolt or contact noise

of piping is happening.

Is Compressor locked?

>> Check Compressor (PARTS INFORMATION 1,2)

Water Leaking

1. Erroneous installation 2. Drain hose failure

Diagnosis method when water is spitting out.

Is the filter clogged?

Check Gas Pressure and correct it if there was a gas leak.

Diagnosis method when water leak occurs

Is Drain Hose connection loose?

Is there a trap in Drain Hose?

Is Drain Hose clogged?

Is Main Unit installed in stable condition?

Is Main Unit broken or deformed at the time of

transportation or maintenance?

Is Fan rotating?

02-42

SERVICE PARTS INFORMATION 1

MPa MPa

Compressor

Diagnosis method of Compressor ( If Outdoor Unit LED displays Error, refer to Trouble shooting )

Does not start up

Is there open or loose connection cable?

Check Main PCB, connection of Compressor, and winding resistance. (Refer to the next page).

Check Main PCB, connection of Compressor,and winding resistance. (Refer to the next page).

>> If there is no failure, the defect of Compressor is considered (Locked compressor due to clogged dirt or less oil)

Replace Compressor

Stops soon after starting up

Is there open or loose connection cable?

Is Gas Pipe Valve open? (Low Pressure is too low)

Check if Refrigerant is leaking. (Recharge Refrigerant)

Check if Strainer is clogged. (PARTS INFORMATION 3)

>> If there is no failure, the defect of Compressor can be considered. (Compression part broken or valve defective.)

Abnormal noise

Defective Compressor can be considered. (due to inside dirt clogging or bro

ken component)

Check if vibration noise by loose bolt or contact noise of piping is happening.

2-7 SERVICE PARTS INFORMATION

02-43

SERVICE PARTS INFORMATION 2

Inverter Compressor

Check Point 1 : Check connection

Check Point 2 : Check winding resistance

Check Point 3 : Replace Inverter PCB

U(R)

V(S)

W(C)(T)

Check terminal connection of Compressor (Loose or incorrect wiring)

Check winding resistance of each terminal

If the resistance value is 0 or infinite, replace Compressor.

If Check Point 1, 2 do not improve the symptom, replace Main PCB.

(RED)

(WHITE)

(BLACK)

Main PCB

Check connection of compressor terminals (Loose or incorrect wiring)

W402W401

W400

RED

WHITE

BLACK

Compressor

Main PCB

Resistance Value :

1.740 at 20°C

02-44

SERVICE PARTS INFORMATION 3

Check Point 2 : Check Coil of EEV

Yellow - Red Orange - Red Blue - Red

White - Red

Read wire

Resistance value

Check Point 1 : Check Connections

Check Point 5 : Check Opening and Closing Operation of Valve

Check Point 3 : Check Voltage from Main PCB.

Check Point 4 : Check Noise at start up

Pipe (In)

Pipe (Out)

Pipe (In)

CLOSE Example : Hot Gas

OPEN Example : Hot Gas

Pipe (Out)

Pipe (In) Pipe (Out)

Check Point 6 : Check Strainer

at 20°C

Outdoor unit Electronic Expansion Valve ( EEV )

Check connection of connector

( Loose connector or open cable )

Remove connector, check each winding resistance of Coil.

If Resistance value is abnormal, replace EEV.

Remove Connector and check Voltage (DC12V)

If it does not appear, replace Main PCB.

Turn on Power and check operation noise.

If an abnormal noise does not show, replace Main PCB.

When Valve is closed, it has a temp. difference between Inlet and Outlet.

If it is open, it has no temp. difference between Inlet and Outlet.

Strainer normally does not have temperature difference between inlet and outlet as shown in ,

but if there is a difference as shown in , there is a possibility of inside clogged. In this case, replace Strainer.

02-45

P30

EXPANSION VALVE COIL

RED BLUE ORANGE YELLOW WHITE

1 2 3 4 5

SERVICE PARTS INFORMATION 5

Check Point 1 : Check rotation of Fan

Outdoor unit fan motor

Rotate the fan by hand when operation is off. (Check if fan is caught, dropped off or locked motor)

>>If Fan or Bearing is abnormal, replace it.

Check Point 2 : Check resistance of Outdoor Fan Motor

Refer to below. Circuit-test "Vm" and "GND" terminal. (Vm: DC voltage, GND: Earth terminal)

>>If they are short-circuited (below 300 k ), replace Outdoor fan motor and Main PCB.

Pin number (wire color)

Terminal function (symbol)

1 (Red) 2 3 4 (Black) 5 (White) 6 (Yellow) 7 (Brown)

DC voltage (Vm) No function No function Earth terminal (GND) Control voltage (Vcc) Speed command (Vsp) Feed back (FG)

Pin number (wire color)

Terminal function (symbol)

1 2 3 4 5 6 7 B

D(Red)

(Black) (White) (Yellow) (Blue)

C voltage (Vm) No function No function Earth terminal (GND) Control voltage (Vcc) Speed command (Vsp) Feed back (FG)

SERVICE PARTS INFORMATION 4

Check Point 1 : Check rotation of Fan

Indoor unit fan motor

Rotate the fan by hand when operation is off. (Check if fan is caught, dropped off or locked motor)

>>If Fan or Bearing is abnormal, replace it.

Check Point 2 : Check resistance of Indoor Fan Motor

Refer to below. Circuit-test "Vm" and "GND" terminal. (Vm: DC voltage, GND: Earth terminal)

>>If they are short-circuited (below 300 k ), replace Indoor fan motor and Controller PCB.

02-46

SERVICE PARTS INFORMATION 6

Main PCB (IPM Check)

Check Point 1

Check Point 2

Terminal

Resistance value

Tester(+) Tester(-)

Disconnect the connection wires between the Main PCB - Compressor.

Set the tester to the "Resistance" mode, and measure the resistance between the following terminals.

Set the tester to the "Diode" mode, and measure the voltage value between the following terminals.

Judge the result of as follows:

TM301 (P) - W400(S) / W401(R) / W402(C) TM302 (N) -

P P

P W400 W401 W402

N W400 W401 W402

W400 W401 W402

P P

P W400 W401 W402

Over 2k (Including )

Over 20k (Including )

Terminal

Tester display

Tester(+) Tester(-)

P P P

N N N

0.3V 0.7V

02-47

W400(S) / W401(R) / W402(C)

W400 W401 W402

*Make sure that the compresor wires are not short-circuit during the measuring.

3 . APPENDING DATA

WALL MOUNTED type

INVERTER

To adjust the functions of this product according to the installation environment, various types of function settings are available.

NOTE: Incorrect settings can cause a product malfunction.

3-1 Function settings by using remote controller

Some function settings can be changed on the remote controller. After confirming the setting procedure and the content of each function setting, select appropriate functions for your installation environment.

Setting procedure by using wireless remote controller

The function number and the associated setting value are displayed on the LCD of the remote controller. Follow the instructions written in the local setup procedure supplied with the remote controller, and select appropriate setting according to the installation environment.

Before connecting the power supply of the indoor unit, reconfirm following items:

• Cover for the electrical enclosure on the outdoor unit is in place.

• There is

no wiring mistake.

• Piping air tight test and vacuuming have been performed firmly.

• All the necessary wiring work for outdoor unit has been finished.

After reconfirming the items listed above, connect the power supply of the indoor unit. NOTE: Settings will not be changed if invalid numbers or setting values are selected.

CAUTION

After disconnecting the power supply, wait 30 seconds or more before reconnecting it. The function setting will not become active unless the power supply is disconnected and then reconnected.

Entering function setting mode:

While pressing the POWERFUL button and TEMP. ( ) button simultaneously, press the RESET button to enter the function setting mode.

Selecting the function number and setting value:

1. Press the TEMP. ( ) ( ) buttons to select the function number. To switch between the left and right digits, press the 10 °C HEAT button.

2. Press the POWERFUL button to proceed to value setting. To return the function number selection, press the POWERFUL button again.

Press the TEMP. ( ) ( ) buttons to select the setting value. To switch

between the left and right digits, press the 10 °C HEAT button.

4. Press the MODE butto

n once to send the function setting information.

Confirm that you hear the beep sound.

5. Press the START/STOP button to fix the function setting. Confirm that you hear the beep sound.

6. Press the RESET button to end the function setting mode.

7. After completing the function setting, be sure to disc

onnect the power supply

and then reconnect it.

Function number

Setting value

3. FUNCTION SETTING

03-01

Contents of function setting

Each function setting listed in this section is adjustable in accordance with the installation environment.

NOTE: Setting will not be changed if invalid numbers or setting values are selected.

Function setting list

1) Filter clean operation interval

Select appropriate intervals for automatically cleaning the air filter according to environmental conditions and the conditions of use.

2) Left/right swing operation range

Select the operation range of the left/right swing according to the installation condition.

Function no. Functions

Filter clean operation interval

Left/right swing operation range

30/31

Room temperature control for indoor unit sensor

Auto restart

Remote controller custom code

Indoor unit fan control for energy saving for cooling

92 Dual fan airflow (in COOL, DRY, and FAN modes)

93 Dual fan vertical airflow angle (in COOL, DRY, and FAN modes)

97 Maintenance indicator switchover

Function number Setting value Setting description Factory setting

Standard

(Approximately once every 5 days)

Long interval

(Approximately once every 8 days)

Short interval

(Approximately once every 3 days)

elbasiD30

Function number Setting value Setting description Factory setting

00 Standard

01 Left side

02 Right side

Left Right

Left Slightly right

Slightly left Right

03-02

3) Room temperature control for indoor unit sensor

Depending on the installed environment, correction of the room temperature sensor may be required. Select the appropriate control setting according to the installed environment.

The temperature correction values show the difference from the Standard setting "00" (manufacturer’s recommended value).

4) Auto restart

Enables or disables automatic restart after a power interruption.

NOTE: Auto restart is an emergency function such as for power outage etc. Do not attempt to use

this function in normal operation. Be sure to operate the unit by remote controller or external device.

5) Remote controller custom code

(Only for wireless remote controller) The indoor unit custom code can be changed. Select the appropriate cust

om code.

Function number Setting value Setting description

Factory

setting

(For cooling)

(For heating)

00 Standard setting 01 No correction 0.0 °C 02 -0.5 °C

More cooling Less heating

03 -1.0 °C 04 -1.5 °C 05 -2.0 °C 06 -2.5 °C 07 -3.0 °C 08 -3.5 °C 09 -4.0 °C 10 +0.5 °C

Less cooling

More heating

11 +1.0 °C 12 +1.5 °C 13 +2.0 °C 14 +2.5 °C 15 +3.0 °C 16 +3.5 °C 17 +4.0 °C

Function number Setting value Setting description Factory setting

elbanE00

elbasiD10

Function number Setting value Setting description Factory setting

A00 B10 C20 D30

03-03

6) Indoor unit fan control for energy saving for cooling

Enables or disables the power-saving function by controlling the indoor unit fan rotation when the outdoor unit is stopped during cooling operation.

00: When the outdoor unit is stopped, the indoor unit fan operates continuously following the setting

on the remote controller. 01: When the outdoor unit is stopped, the indoor unit fan operates intermittently at a very low speed. 02: Enable or disable this function by remote controller setting.

NOTES:

• As the factory setting, this setting is initially activated.

• Set to "00" or "01" when connecting a remote controller that cannot set the Fan control for energy

saving function or connecting a network converter. To confirm if the remote controller has this setting, refer to the operating manual of each remote controller.

7) Dual fan airflow (in COOL, DRY,

and F

AN modes)

Switches the dual fan vertical airflow in COOL, DRY, and FAN modes. (Set this when the dual fan airflow is too strong or week.)

8) Dual fan vertical airflow angle (in COOL, DRY, and FAN modes)

Switches the dual fan vertical airflow angle in COOL, DRY, and FAN modes. (Set this when the dual fan airflow hits furniture or does not reach the intended area.)

9) Maintenance indicator switchover

Display/hide the indicator that shows when to clean the dust box or the plasma air clean unit.

Function number Setting value Setting description Factory setting

elbasiD00 elbanE10

rellortnoc etomeR20

Function number Setting value Setting description Factory setting

dradnatS00

nwoD10

pU20

Function number Setting value Setting description Factory setting

)°07( dradnatS00

°010

°0320 °0430 °5440 °0550 °0660

Function number Setting value Setting description Factory setting

elbanE00 elbasiD10

03-04

3-2 Custom code setting for wireless remote controller

To interconnect the air conditioner and the wireless remote controller, assignment of the custom code for the wireless remote controller is required.

NOTE: Air conditioner cannot receive a signal if the air conditioner has not been set for the custom

code.

When 2 or more air conditioners are installed in a room, and the remote controller is operating an air conditioner other than the one you wish to set, change the custom code of the remote controller to operate only the air conditioner you wish to set. (4 selections possible.)

Confirm the setting of the remote controller custom code and the function setting. If these do not

match, the remote controller cannot be used to operate for the air conditioner.

NOTES:

• If

no button is pressed within 30 seconds after the custom code is displayed, the system returns

to the original clock indicator. In this case, start again from step 1.

• The air conditioner custom code is set to prior to shipment. To change the custom code, contact your retailer.

• If you do not know the assigned code for the air conditioner, try each of the custom code ( → → → ) until you find the code which operates the air conditioner.

1. Press the START/STOP button until only the clock is displayed on the remote controller display.

2. Press the MODE button for at least 5 seconds to display the current custom code. (Initially set

to .)

3. Press the TEMP. ( ) ( ) buttons to change the custom code between → → → . Match the code on the display to the air conditioner custom code. (Initially set to .)

4. Press the MODE button again to return to the clock display. The custom code will be changed.

03-05

3-3 Switching the temperature unit of remote controller

Displayed temperature unit on the remote controller LCD can be switched between °C (Celsius) and °F (Fahrenheit).

To change temperature unit, do as follows:

1. Press the TEMP. (Up) button ( ) for at least 5 seconds to display the current temperature unit. (Factory setting: °C)

2. Press the TEMP. ( ) ( ) buttons to switch the temperature unit between °C and °F.

3. With either of pressing the START/STOP button or no additional button operation for 30 seconds in step 2., the temperature unit currently selected will be set.

03-06

INDOOR UNIT

Main PC board

Sub PC board

4. WIRING DIAGRAMS

OUTDOOR UNIT

03-07

4. DISASSEMBLY PROCESS

WALL MOUNTED type

INVERTER

1. Air Filter and dust box removal

2. Plasma air clean unit removal

4-1 DISASSEMBLY PROCESS ( INDOOR UNIT )

Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock.

04-01

3. Intake grille removal

1. Pull the handle down toward you and pull out.

1. Slide the stopper to the right.

Mounting the Air filter and dust box.

1. Set the lower edge of Air filter with the horizontal ▷◁ marks.

2. Inset the top of Air filter to the rails

3. Inset the Air filter with dust box.

2. The handles rise up. 3. Up the handle and pull the Air filter and dust box.

Start from opening the Intake grille.

From this state, lift the Intake grille up and remove the Intake grille hooks.

When you see this photo, and remove the intake grille toward you.

Tips!

Start from opening the Intake grille.

Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock.

4. Front panel removal

5. Access for PCB cards

04-02

1. Remove the screws. ( 7 places ) 2. Remove the Front panel.

When installing the Side fan, attach 1 screw temporarily to prevent fall down.

Tips!

Start from removing Intake grille.

3. Mounting the screws. ( 2 places )

Power PCB

Filter PCB

Human sensor

IR Receiver PCB

Indicator PCB

Speaker

Switch PCB

Remove the Control box tab, and open the Control box to the front.

Control box

Control box tab

Main PCB

8. Power PCB removal

9. Indicator PCB removal

1. Remove the screw and cover.

Start from removing the Front panel

2. Disconnect the all connectors of Power PCB.

3. Push supporter and remove the Power PCB.

1. Push the hooks. ( 2 places ) 2. Push the hooks. ( 2 places ) 3. Disconnect the connector.

Start from removing the Front panel.

6. Filter PCB removal

1. Remove the screws ( 2 places ) and covers.

2. Remove the earth wire and disconnect the all connector.

3. Push left side supporter and remove the Filter PCB.

Start from opening the Control box.

7. Main PCB removal

Start from opening the Control box.

1. Pull the left edge of the knowb, remove the pawl and box cover.

2. Disconnect 15* connectors

(*When the wireless LAN in use )

3. Push supporters and remove the Main PCB.

Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock.

04-03

10. Switch PCB removal

1. Push the hooks. ( 2 places ) 2. Push the hook. 3. Disconnect the connector.

Start from removing the Front panel.

11. IR Receiver PCB removal

1. Remove the screw and cover. 2. Push upside supporter.

Start from removing the Front panel.

3. Disconnect the connector.

1. Disconnect the connector of Main PCB. ( CN29 / Red )

2. Cut binder and remove the screws. ( 2 places )

Start from removing the Front panel.

12. Speaker removal

Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock.

04-04

14. Grill switch removal

1. Disconnect the connector of Main PCB. ( CN46 / White )

Start from removing Main frame.

2. Remove the hook. 3. Remove the hooks. ( 2 places )

13. Human Sensor removal

Start from opening Control box.

1. Release cables. 2. Release top shaft and bottom shaft from holder.

3. Release bottom the hooks. ( 2 places ) 4. Disconnect the connector.

Remove the screw cap and screws.

15. Under cover removal

( 3 places )

Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock.

04-05

There are hooks on both sides. Bend the center and remove each other.

1. Disconnect the connector of Power PCB. ( CN3 / White )

Start from removing Front panel and Under cover.

Side fan ( Left ) removal

Mounting the Side fan ( Left )

2. Remove the screw.

3. Remove the underside hook with your right hand while supporting with the left hand.

4. Remove the screws ( 5 places ) and step motor.

Fit the black circle of the Side fan with the indoor unit.

5. Remove the Side fan panel L.

16. Side fan removal

Underside hook is reverse Side fan removing.

Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock.

04-06

Start from mounting Main frame.

1. Disconnect the connector of Power PCB. ( CN4 / White )

Start from removing Front panel and Under cover.

Side fan ( Right ) removal

Mounting the Side fan ( Right )

3. Remove the earth wire and screw.

4. Remove the underside hook with your right hand while supporting with the left hand.

5. Remove the screws ( 5 places ) and step motor.

6. Remove the Side fan panel R.

Underside hook is reverse Side fan removing.

2. Disconnect the connector of Filter PCB. ( CN1 / CN41 )

Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock.

04-07

Fit the black circle of the Side fan with the indoor unit.

Start from mounting Main frame.

17. Main frame removal

Start from removing Side fans.

18. Limit switch removal

1. Disconnect the connector of Main PCB. ( CN38 / White )

Start from removing main frame.

2. Remove the screws ( 3 places ) and rail cover.

3. Remove the hook.

4. Remove the hooks. ( 3 places )

2. Remove the screws. ( 5 places )

1. Disconnect the connectors of Main PCB. ( CN3 / CN17 / CN42 )

3. Remove the Main frame.

Tips! Do not too lift up the under port.

Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock.

04-08

Lift the Main frame upward, and pull toward you.

22. Casing removal

Start from removing Side cover.

1. Remove the screws and pipe stopper. ( 2 places )

2. Remove the screws. ( 4 places )

3. Remove the casing.

Lift the Casing assy so as not to drop out from the wall bracket, then remove it diagonally downward.

Hooks ( 2 places )

Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock.

04-09

19. Room temperature thermistor removal

1. Disconnect the connector of Main PCB. ( CN4 / White )

Start from removing rail cover.

2. Remove the screw and thermistor case.

3. Remove the Room temperature thermistor.

21. Pipe temperature thermistor removal

Start from removing main frame.

1. Remove the screws ( 3 places ) and earth wire.

1. Disconnect the connector of Main PCB. ( CN19 / White )

Start from removing main frame.

2. Remove the screws. ( 3 places )

3. Bend the gear unit side panel slightly. Remove the Plasma unit.

20. Plasma unit removal

2. Remove the Side cover.

Tips!

3. Remove the Thermistor spring and Pipe temperature thermistor.

Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock.

04-10

Pipe temperature thermistor can be removed without removing Side cover.

Fujitsu ASG09KXCA Series, AOG12KXCA Series, ASG12KXCA Series, AOG09KXCA Series Service Instruction

Specifications and Main Features

Frequently Asked Questions

User Manual

Fujitsu AS*G09KXCA Series, AO*G12KXCA Series, AS*G12KXCA Series, AO*G09KXCA Series Service Instruction

Specifications and Main Features

Frequently Asked Questions

User Manual

Fujitsu ASG09KXCA Series, AOG12KXCA Series, ASG12KXCA Series, AOG09KXCA Series Service Instruction