DAEWOO FRSU20FAI User Manual

S/M No. :FRSU20IA05

Mar. 2010.

1. Model Name

FRS-U20 IAI I

①

②

③

④ ⑤

Model Name & Features

① ②③④⑤

Refrigerant Type

S : R-134a

N : R-600a

Model Specification

I : Inner Basic

B : Basic

D : Dispenser Only

E : Dispenser + Magic Room

F : Dispenser + H/Bar

G : Dispenser + H/Bar + Magic Room (Full Option Models)

Door, Handle & Refrigerator Case Features

A : 1st Basic Handle

B : Aluminum Long Handle ( Ref. Case 2ea )

C : Radius Handle ( Ref. Case 2ea )

E : Aluminum Long Handle ( Ref. Case 3ea )

G : Arc Handle

L : Aluminum Long Handle + Internal feature is C type

Color Option

Inverter Compressor Models Code

2. Model Features ( Below table is Full option model illustrated )

Model Name Features Pocket Type Chilled Case Refrigerator Case Q'ty

U20*A*

U20*B*

U20*

U20*E*

U20*G*

2 pieces

1 pieces

2 pieces

1 pieces

3 EA

2 EA

3 EA

2 EA

U20*L*

1 pieces

2 EA

1. Specification

Feature

Gross Vol.

(ISO 15502)

Storage Vol. (ISO 15502)

Diemension

Buyer No.

Factory No.

Dispenser

H/Bar

Magic Cool Zone

Total

Freezer

Refrigerator

Total

Freezer

Refrigerator

Width (mm)

Depth (mm)

Height (mm)

Weight (kg)

Refrigerant Type

U20B…U20I…

U20D…

U20E…

FRU-57.I.. FRU-57.B.. FRU-54.D.. FRU-54.E..

xxO

xxx

618

241

377

555 518

241

377

555

201

604 604

227 227

377

531

175 175201

377

354 356356 343354

903

730.5

1790

104

115 117 119

R-600a or R-134a

U20F…

FRU-54.F..

U20G…

FRU-54.G..

604618 604

227

377

531

175

227

377

518

175

343

117104

Cooling Cycle

Heater

Sensor

Electronic Part

Refrigerant Charge

Evaporator Type

Condenser Type

Dryer

Capillary Tube

Defrost Heater

Dispenser Heater

Water Pipe Heater

Main Duct Heater

Home Bar Heater

Defrost Sensor

Freezer Sensor

Refrigerator Sensor

Fuse Temp. (Defrost)

Freezer Fan Motor

Refrigerator Fan Motor

Condenser Fan Motor

76g or 190g

Fin Type

Fan Cooling System

Molecular Sieve xH-9

ID0.7 x T0.55 x L2200

AC 220V / 192W

AC 220V / 5W

AC 220V / 7W

AC 220V / 10W

PBN-43

PT-38

PBN-43

AC 250V, 10A, 77C

DC 13V, 2050rpm

DC 13V, 1850rpm

DC 13V, 1100rpm

Freezer Lamp

Refrigerator Lamp

25W x 1EA

25W x 2EA

2. External Size

SPECIFICATIONS

3. Interior Parts

3-1. Basic Models

SPECIFICATIONS

3-2. Dispenser Model ( Full option model )

1) Freezer Top Pocket (1ea)

2) The mouth of the ice

3) Freezer Pocket (3ea)

4) Case Ice Crusher

5) Freezer Lamp (25Wx1ea)

6) Freezer Shelf

7) Freezer Case (2ea)

8) Refrigerator Lamp (25Wx2ea)

9) Refrigerator Shelf

10) Wine Rack (*Option)

11) Refrigerator Case (2ea)

12) Magic Room (*Option)

13) Dairy Pocket

14) Refrigerator Pocket (3 ea)

15) Refrehsment Pocket

1. Display ( Inner Basic Model )

2. Display Control

FCP Cotrol

FUNCTIONS ( DISPLAY_Inner Basic Model )

a Temperature adjustment button for freezer compratment

b Temperature adjustment button for refrigerator compratment

Temp. Display (Set Temp.) Initial Mode : Freezer / Refrigerator set medium ( 3 / 3 )

3. FRZ. SET button

1) Temperature control of freezer compartment

2) Initial power plug in : Medium ( 3 )

- Every time you press the FRZ. SET button, the setting temperature changes below order.

4. REF. SET button

1) Temperature control of refrigerator compartment

2) Initial power plug in : Medium ( 3 )

- Every time you press the REF. SET button, the setting temperature changes below order.

1. Display ( Basic Model )

FUNCTIONS ( DISPLAY_Basic Model )

a Temperature adjustment button for freezer compratment

b Super(Quick) freezer compartment button

c Super(Quick) refrigerator compartment button

d Temperature adjustment button for refrigerator compratment

2. Display Control

FCP Cotrol

Temp. Display (Set Temp.)

SUPER FRZ, SUPER REF. Icon

3. FRZ. SET button

1) Temperature control of freezer compartment

Initial Mode : Freezer / Refrigerator set medium ( -19C / 4C)

Button

2) Initial power plug in : Medium ( -19C )

- Every time you press the FRZ. SET button, the setting temperature changes below order.

4. SUPER FRZ. Button

When this button press, the QUICK and Speed icon is flicker 6 times and keep ON.

( By pressing the SUPER FRZ. Button again you can stop this function. )

5. REF. SET button

1) Temperature control of refrigerator compartment

2) Initial power plug in : Medium ( 4C )

- Every time you press the REF. SET button, the setting temperature changes below order.

6. SUPER REF. Button

When this button press, the QUICK and Speed icon is flicker 6 times and keep ON.

( By pressing the SUPER REF. Button again you can stop this function. )

1. Display ( Dispenser Type )

FUNCTIONS ( DISPLAY_Dispenser Model )

a Temperature adjustment button for freezer compratment

b Super(Quick) freezer compartment button

c Reset water filter button after exchanging the filter

d Dispenser selction button. ( Water / Crushed ice / Cubed ice )

e Ice maker lock button

f Children lock button ( Hold 3 sceconds )

g Temperature adjustment button for refrigerator compratment

h Super(Quick) refrigerator compartment button

2. Display Control

FCP Cotrol

Temp. Display (Set Temp.)

SUPER FRZ, SUPER REF. Icon

WATER / CUBED ICE / CRUSHED ICE

KEY LOCK ICON

FILTER CHANEGE LED AFTER 6 Month, LED ON

3. FRZ. SET button

1) Temperature control of freezer compartment

2) Initial power plug in : Medium ( -19C )

- Every time you press the FRZ. SET button, the setting temperature changes below order.

4. SUPER FRZ. Button

When this button press, the QUICK and Speed icon is flicker 6 times and keep ON.

( By pressing the SUPER FRZ. Button again you can stop this function. )

Initial Mode : Freezer / Refrigerator set medium ( -19C / 4C)

Button

FUNCTIONS ( DISPLAY_Dispenser Model )

5. REF. SET button

1) Temperature control of refrigerator compartment

2) Initial power plug in : Medium ( 4C )

- Every time you press the REF. SET button, the setting temperature changes below order.

6. SUPER REF. Button

When this button press, the QUICK and Speed icon is flicker 6 times and keep ON.

( By pressing the SUPER REF. Button again you can stop this function. )

7. RESET WATER FILTER

After 6 month of first power input, 'Change Filter Icon' is on. When the time comes to change follow the steps.

1) Push the Lock button.

2) Push the 'Filter Reset' button for 3 seconds. Then 'Change Filter'icon is off.

8. WATER/ICE select

1) WATER / CUBED ICE / CRUSHED ICE mode available.

2) Every the button press, the order is WATER - CUBED ICE - CRUSHED ICE.

3) The initial mode is WATER.

9. ICE MAKER LOCK

1) Press the 'Dispenser' button continue. ( Press again, the mode is OFF. )

2) When cleaning the ice storage case or when not use for a long period of time.

9. LOCK button

1) When lock the other buttons, press this button and LOCK icon is active.

( In this mode other button is unable except LOCK button.)

2) To unlock, push the button again.

< REFERENCE >

: Please wait for 2 ~ 3 seconds in order to take final ice or drops of water when taking out cup from the pressing

switches after taking ice or water.

: The actual inner temperature varies depending on the frood status, as the indicated setting temperature is a target

temperature, not actual temperautre within refrigerator.

FUNCTIONS ( TEMPERATURE CONTROL )

1. Freezer Compartment Control

1) Adjust by the pushing the FRZ.SET button.

2) Compressor & Freezer Fan controlled by each mode ON/OFF point.

3) Freezer Compartment ON/OFF Difference : 2C

- MEDIUM OFF point : -19C

- When Room Temperature (RT) is below 13C, Freezer sensor OFF point 2C up ( so, MEDIUM OFF : -17C )

4) Control Temperature Point in Each Mode

Division

Temperature

Normal

RT <= 13C

Control

Sensor On -14.0 -15.5 -17.5 -9.0 -12.0 Sensor Off -16.0 -17.5 -19.5 -11.0 -14.0 Sensor On -12.0 -13.5 -15.5 -7.0 -10.0

Sensor Off -14.0 -15.5 -17.5 -9.0 -12.0

Initially On 1st Press 2nd Press 3rd Press 4th Press

34512Display

Medium

Max

Min

Medium

Min

2. Refrigerator Compartment Control

1) Adjust by the pushing the REF.SET button.

2) Refrigerator Fan controlled by each mode ON/OFF point.

3) Freezer Compartment ON/OFF Difference : 0.5C

- MEDIUM OFF point : 4.2C

- When Room Temperature (RT) is below 13C, Refrigerator sensor OFF point 2C up ( so, MEDIUM OFF : 6.2C )

4) Control Temperature Point in Each Mode

Division

Initially On 1st Press 2nd Press 3rd Press 4t h Press

Display

Temperature Medium

Normal

RT <= 13C

Weak refrigeration Weak refrigeration

& RT <= 13C

Medium

Max

Sensor On 4.7 3.7 2.7 6.7 5.7 Sensor Off 4.2 3.2 2.2 6.2 5.2 Sensor On 6.7 5.7 4.7 8.7 7.7 Sensor Off 6.2 5.2 4.2 8.2 7.2 Sensor On 11.2 10.2 9.2 13.2 12.2 Sensor Off 4.2 3.2 2.2 6.2 5.2 Sensor On 13.2 12.2 11.2 15.2 14.2 Sensor Off 6.2 5.2 4.2 8.2 7.2

Max Min

Medium

Min

FUNCTIONS ( TEMPERATURE CONTROL )

1. Freezer Compartment Control

1) Adjust by the pushing the FRZ.SET button.

2) Compressor & Freezer Fan controlled by each mode ON/OFF point.

3) Freezer Compartment ON/OFF Difference : 2C

- MEDIUM OFF point : -19C

- When Room Temperature (RT) is below 13C, Freezer sensor OFF point 2C up ( so, MEDIUM OFF : -17C )

4) Control Temperature Point in Each Mode

Division

Display

Temperature

Control

Normal

RT <= 13C

Sensor On -14.8 -15.8 -16.8 -17.8 -11.8 -12.8 -13.8 Sensor Off -16.8 -17.8 -18.8 -19.8 -13.8 -14.8 -15.8 Sensor On -12.8 -13.8 -14.8 -15.8 -9.8 -10.8 -11.8

Sensor Off -14.8 -15.8 -16.8 -17.8 -11.8 -12.8 -13.8

Initially On 1st Press 2nd Press 3rd Press 4th Press 5th Press 6th Press

-19 -20

Medium

Medium Max Max

-16 -17

Min

Medium Min

6) SUPER FRZ. (QUICK) Mode

- In this mode, Compressor & Freezer Fan motor is on unconditionally for 150min. ( free of freezer sensor )

Freezer Sensor

-18-21 -22

Freezer Fan On/Off

SUPER FRZ. Start ( SUPER FRZ. MODE )

150MIN

NORMAL MODE Start

FUNCTIONS ( TEMPERATURE CONTROL )

2. Refrigerator Compartment Control

1) Adjust by the pushing the REF.SET button.

LOW - MEDIUM LOW - MEDIUM - MEDIUM MAX - MAX

2) Refrigerator Fan controlled by each mode ON/OFF point.

3) Refrigerator Compartment ON/OFF Difference : 0.5C

- MEDIUM OFF point : 5.2C

- When Room Temperature (RT) is below 13C, Refrigerator sensor OFF point 2C up ( so, MEDIUM OFF : 7.2C )

4) Weak Cooling Prevention Function

- This funtion is free of Freezer sensor.

- When refrigerator compartment reaches the Fan OFF point, the Fan is OFF.

and then Compressor controlled by Freezer sensor.

- Weak cooling temperautre is + 7C in each sensor OFF temperature.

- Weak cooling terminate temperautre is same as each sensor OFF temperature.

6) Control Temperature Point in Each Mode

Division

Display

Temperature

Normal

RT <= 13C

Weak refrigeration Weak refrigeration

& RT <= 13C

Sensor On 5.7 4.7 3.7 9.7 8.7 7.7 6.7 Sensor Off 5.2 4.2 3.2 9.2 8.2 7.2 6.2 Sensor On 7.7 6.7 5.7 11.7 10.7 9. 7 8.7 Sensor Off 7.2 6.2 5.2 11.2 10.2 9. 2 8.2 Sensor On 12.2 11.2 10.2 16.2 15.2 14.2 13.2 Sensor Off 5.2 4.2 3.2 9.2 8.2 7.2 6.2 Sensor On 14.2 13.2 12.2 18.2 17.2 16.2 15.2 Sensor Off 7.2 6.2 5.2 11.2 10.2 9. 2 8.2

Initially On 1st Press 2nd Press 3rd Press 4th Press 5th Press 6th Press

Medium

Medium Max Max Min Medium Min

7) SUPER REF. (QUICK) Mode : This mode runs for 40 minutes.

Freezer Sensor

QUICK MODE (40MIN )

7658

NORMAL MODE Start

ON/OFF

Excess Refrigeration OFF point

MAX MODE

- Until the sensor reaches the Excess Refrigeration OFF point ( -7C), Refrigerator Fan and compressor is ON.

- Until the QUICK Mode ends, the appliance runs with MAX dial mode.

- After QUICK Mode ( about 40 mins ) the normal mode start.

1. When Defrost Mode start?

; When total Compressor runnig time becomes at 6, 8, 10, …, 24hours.

- The compressor runing rate is over 85% every 2 hours.

- Door opening time is over 2 minutes ( Each Freezer / Refrigerator door )

- Total compressor running time ( on time + off time ) is 60hours.

- Any error happens. ( R1, F1, D1, F3, RT-Sensor, C1, Door switch etc. )

( But, F3 error happens then defrost mode start without Pre-cool )

Start

Compressor runing time is over 2hours

Yes

Total appiance runing

Yes

time is over 60hours

FUNCTIONS ( Defrost Mode )

Yes

Compressor runing

time is over 24hours

Compressor runing time is over 6hours

Yes

Any error happens

Room temperature is

over 35C

Compressor runing rate is

over 85% every 2 hours

Door open ( each door )

is over 2 minutes

Yes

Defrost mode start

End

2. Normal Defrost Mode

PRECOOL

FUNCTIONS ( Defrost Mode )

1) PRECOOL

- Compressor runs ( to cool down the freezer compartment prior to heater switch on ) for 50minutes or until Freezer sensor temperature reaches -27C

HEATER

DEFROTING

PAUSE

FAN DELAY

Normal Mode

2) HEATER DEFROSTING

- Defrost heater is switch on until Defrost Sensor temperature reaches 13C.

- Heater operation time ; 30 seconds - Heater is ON free of Defrost Sensor. ; 30 minutes - When Defrost Sensor is malfunction. ( D1 error ) ; 80 minutes - Heater maximum operation time. ( F3 error )

3) PAUSE

- After Defrost Heater switch OFF, Compressor dosen't run within 7 minutes.

4) FAN DELAY

- Freezer & Refrigerator fan switch on after 5miunuts' cmopressor running.

Division

Compressor

Freezer Fan

Refrigerator Fan

Defrsot Heater

Time

PRECOOL

ON ON

Control

Off

50min

PAUSEHEATER DEFROST OFF OFF ON OFF OFF

30min ( D1 error )

80min ( F3 error)

OFF OFF OFF OFF

7min

3. Forced Defrost Mode

1) How to start

( Basic Models Only )

; Press the REF. SET button 5 times while pushing the FRZ. SET button.

( Dispenser Models Only )

- Press the LOCK button.

- Press the Refrigerator Set button 5 times while pushing the Freezer Set button.

2) Except PRECOOL, steps are same as above 2. Normal Defrost Mode.

FAN DELAY

OFFOFF 5min

FUNCTIONS ( Error Display_Basic Model )

1. How to enter this check mode

; Press the FRZ. SET button 5 times while pushing the REF. SET button.

2. The Front LED displays the current error code ( if happens ).

3. How to exit this mode

1) Press the FRZ.SET button

2) After 4 minutes automatically exit.

4. Error Code

Display (LED flicker) Remark

Freezer sensor disconnection or short

Refrigerator sensor disconnection or short

Room temperature sensor disconnection or short

Defrost sensor disconnection or short

Refrigerator Door switch is defective.

Freezer Door switch is defective.

Abnormal or defective cycle

Abnormal return after defrosting

; All Error Code reset, when the relative parts turn into normal.

FUNCTIONS ( Error Display_Basic Model )

5. Troubleshooting when error happens

( If the relative parts is normal, Error code display will be reset. )

1) Freezer sensor error

- Cause : Freezer sensor disconnection or short.

- Check point : Measure the resistance between both terminals after separating CN9 of the Main PCB.

If sensor is disconnected or short, change that in the freezer compartment.

2) Refrigerator sensoer error

- Cause : Refrigerator sensor disconnection or short.

- Check point : Measure the resistance between both terminals after separating CN8 of the Main PCB.

If sensor is disconnected or short, change that in the refrigerator compartment.

3) Room temperature sensor error

- Cause : Room temperature sensor disconnection or short.

- Check point : Measure the voltage of sensor part on the Main PCB.

If voltage is 0.5~4.5V, normal. If voltage is 0V (short) or 5V (disconnect), change new one.

4) Defrost sensor error

- Cause : Defrost sensor disconnection or short.

- Check point : Measure the resistance between both terminals after separating CN9 of the Main PCB.

If sensor is disconnected or short, change that on the evaporator.

5) Refrigerator door switch error

- Cause : When it senses the door open for more than 1 hour.

- Check point : Check the each door switch and exchange.

6) Freezer door switch error

- Cause : When it senses the door open for more than 1 hour.

- Check point : Check the each door switch and exchange.

7) Cycle error

- Cause : When compressor works for over 3 hours although Defrost sensor is over -5C.

- Check point : Refrigerant leakage.

8) Abnormal defrosting end error

- Cause : in case defrosting mode ends after 80 minutes.

- Check point : Measure the resistance between both terminals of the defrost heater.

If the resistance is infinity (disconnection) or 0 ohm (short).

FUNCTIONS ( Error Display_Basic Model )

1. How to enter this check mode

; Press the SUPER FRZ. button 5 times while pushing the FRZ. SET button.

2. The Front LED displays the current error code ( if happens ).

; Every time you press the FRZ. Set button, the following value display.

1) The appliance running time. ( From the plug in. )

2) Freezer sensor temperature.

3) Defrost sensor temperature.

4) Refrigerator sensor temperature.

5) Room temperature.

3. How to exit this mode

1) Press the REF.SET button

2) After 4 minutes automatically exit.

4. Error Code

; All Error Code reset, when the relative parts turn into normal.

Display (Error Code) Remark

C1 F3 Co d2

Freezer sensor disconnection or short

Refrigerator sensor disconnection or short

Room temperature sensor disconnection or short

Defrost sensor disconnection or short

Refrigerator Door switch is defective.

Freezer Door switch is defective.

Home Bar Door switch is defective.

Abnormal or defective cycle

Return after defrosting : abnormal or defective

Pull-Down mode display (No error)

Forced Defrost mode display (No error)

FUNCTIONS ( Error Display_Basic Model )

5. Troubleshooting when error happens

( If the relative parts is normal, Error code display will be reset. )

1) Freezer sensor error

- Cause : Freezer sensor disconnection or short.

- Check point : Measure the resistance between both terminals after separating CN9 of the Main PCB.

If sensor is disconnected or short, change that in the freezer compartment.

- Error code display

Freezer sensor is short. Freezer sensor is disconneted.

2) Refrigerator sensoer error

- Cause : Refrigerator sensor disconnection or short.

- Check point : Measure the resistance between both terminals after separating CN8 of the Main PCB.

If sensor is disconnected or short, change that in the refrigerator compartment.

- Error code display

Refrigerator sensor is short. Refrigerator sensor is disconneted.

3) Room temperature sensor error

- Cause : Room temperature sensor disconnection or short.

- Check point : Measure the voltage of sensor part on the Main PCB.

If voltage is 0.5~4.5V, normal. If voltage is 0V (short) or 5V (disconnect), change new one.

- Error code display

RT sensor is short. RT sensor is disconneted.

4) Defrost sensor error

- Cause : Defrost sensor disconnection or short.

- Check point : Measure the resistance between both terminals after separating CN9 of the Main PCB.

If sensor is disconnected or short, change that on the evaporator.

- Error code display

Defrost sensor is short. Defrost sensor is disconneted.

5) Refrigerator door switch error

- Cause : When it senses the door open for more than 1 hour.

- Check point : Check the each door switch and exchange.

6) Freezer door switch error

- Cause : When it senses the door open for more than 1 hour.

- Check point : Check the each door switch and exchange.

7) Cycle error

- Cause : When compressor works for over 3 hours although Defrost sensor is over -5C.

- Check point : Refrigerant leakage.

8) Abnormal defrosting end error

- Cause : in case defrosting mode ends after 80 minutes.

- Check point : Measure the resistance between both terminals of the defrost heater.

If the resistance is infinity (disconnection) or 0 ohm (short).

FUNCTIONS ( Error Display_Dispenser Models )

1. How to enter this check mode

1) Press the LOCK button.

2) Press the Super Freezer button 5 times while pushing the Freezer Set button.

2. The Front LED displays the current error code ( if happens ).

; Every time you press the Freezer Set button, the following value display.

1) The appliance running time. ( From the plug in. )

2) Freezer sensor temperature.

3) Defrost sensor temperature.

4) Refrigerator sensor temperature.

5) Room temperature.

6) P Factor display.

7) Filter remaing time until exchange. ( Filter runing time is about 4,320Hr )

3. How to exit this mode

1) Press the LOCK button

2) After 4 minutes automatically exit.

4. Error Code

; All Error Code reset, when the relative parts turn into normal.

Display (Error Code) Remark

Eu C1 F3 Co d2

Freezer sensor disconnection or short

Refrigerator sensor disconnection or short

Room temperature sensor disconnection or short

Defrost sensor disconnection or short

Refrigerator Door switch is defective.

Freezer Door switch is defective.

Home Bar Door switch is defective.

Ice sensor disconnection or short

Flow sensor is defective.

Horizontal switch error

Water supply error

Drop the ice while Et

Full ice switch error

Abnormal or defective cycle

Return after defrosting : abnormal or defective

Pull-Down mode display (No error)

Forced Defrost mode display (No error)

FUNCTIONS ( Error Display )

5. Troubleshooting when error happens

( If the relative parts is normal, Error code display will be reset. )

1) F1 error

- Cause : Freezer sensor disconnection or short.

- Check point : Measure the resistance between both terminals after separating CN15 of the Main PCB.

If sensor is disconnected or short, change that in the freezer compartment.

- Error code display

Freezer sensor is short. Freezer sensor is disconneted.

2) R1 error

- Cause : Refrigerator sensor disconnection or short.

- Check point : Measure the resistance between both terminals after separating CN14 of the Main PCB.

If sensor is disconnected or short, change that in the refrigerator compartment.

- Error code display

Refrigerator sensor is short. Refrigerator sensor is disconneted.

3) rt error

- Cause : Room temperature sensor disconnection or short.

- Check point : Measure the voltage of sensor part on the Main PCB.

If voltage is 0.5~4.5V, normal. If voltage is 0V (short) or 5V (disconnect), change new one.

- Error code display

RT sensor is short. RT sensor is disconneted.

4) d1 error

- Cause : Defrost sensor disconnection or short.

- Check point : Measure the resistance between both terminals after separating CN15 of the Main PCB.

If sensor is disconnected or short, change that on the evaporator.

- Error code display

Defrost sensor is short. Defrost sensor is disconneted.

5) Door switch error ( dr, dF, dH on display )

- Cause : When it senses the door open for more than 1 hour.

- Check point : Check the each door switch and exchange.

6) EI error

- Cause : Ice sensor is abnormal.

- Check point : Measure the resistance between both terminals after separating CN11 of the Main PCB.

If sensor is disconnected or short, change that in the automatic ice maker.

7) EF error

- Cause : When Flow-sensor abnormal. ( There is no pulse during some time. )

The number of pulse signal is below 10 by 1 second during water supply.

- Check point : Water supply line.

8) Et error

- Cause : Level switch abnormal. ( No pulse is sensed for some time. )

- Control : By time. ( Supply mode is skipped. )

9) Eg error

- Cause : When Ice sensor temperature ( 5 minutes after water supply ) doesn't go up.

- Check point : Ice sensor or water supply line.

10) EA error

- Cause : When sensing ice drop 3 times in level sensor switch error.

FUNCTIONS ( Error Display )

- Control : Stop ice maker

- After 1 time rotation EA error code disappear if level swtich is normal.

11) Eu error

- Cause : Sensor which senses if ice is full or not is abnormal.

- Control : When drops the ice, the motor rotates 90 degree.

12) C1 error

- Cause : When compressor works for over 3 hours although Defrost sensor is over -5C.

- Check point : Refrigerant leakage.

13) F3 error

- Cause : in case defrosting mode ends after 80 minutes.

- Check point : Measure the resistance between both terminals of the defrost heater.

If the resistance is infinity (disconnection) or 0 ohm (short).

1. Ice making flow

FUNCTIONS ( Ice Maker_ Dispenser Model)

Start

Making the Ice

- water freezing

water supply stand by

Ice separating

Water supply

- Ice tray rotation to separate ice cubes

- water supply to ice tray

- check if water supply complete or not

check

End

1) Press Test switch ( which is under the ice tray ) for more than 1 second and then test starts.

- Test mode starts from ice separating mode.

- In case test switch is abnormal, test is done only 1 time.

2) When the initial power input, ice tray turns to be horizontal.

3) Water supply hose heater control - defrost heater linkage operation

- Heater is always ON if Room temperature sensor is abnormal or room temperature is below 15 degree.

- Heater is ON for 60minutes (max limit time) if Flow sensor is abnormal.

4) Water supply stand by

- Condition : When ice is full

- Operation : Proceeds to ice making mode. ( stop ice separating and water supply mode )

5) Crusher function

- It stops operation when freezer door is open.

- It operates if door is close.

2. Ice making mode

FUNCTIONS ( Ice Maker_ Dispenser Model)

Start

1) If Ice sensor temperature is below -12.5C after 130minutes, ice making completes.

2) If Ice sensor temperature keep below -9.5C for 15 minutes ice making complete, although the sensor is not below -12.5C

3) After 4.8hours ice making complete, when ice sensor is abnormal,

3. Ice separating(drop) mode

130 minutes pass

YES

Ice sensor is over

-12.5C

YES

Ice separating

Ice sensor is below

-9.5C

YES

15 minutes pass

YES

1) Time of each section is to verify level switch error.

2) It senses the rotation in each section.

3) When level switch is error, ice separation controlled by the time.

4) When rotation motor is error, the mode is pause.

+ 51 hidden pages