To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
GENERAL ERROR FUNCTION
Error Code
NO
(Diagnostic Code
Error Image)
DescriptionCorrective Action
1dc
2dS
3FL
4Hr
5LE
6LO
7nd
8nF
An unbalanced load that prevents
your washer from spinning.
The door is open when the washer is
running.
Your washer failed to lock the door.
A water temperature control problem.
(Heater control problem)
Your washer has tried to ll, but has
not reached the proper water level.
The door will not unlock.
Your washer is not draining. This can
also mean that the unit senses a small
clog while draining.
Your washer has tried to ll but was
unsuccessful.
Redistribute the load, press the Start/
Pause button.
Close the door tightly and restart
the cycle. If the code reappears, call
customer service.
Make sure the door is rmly closed.
Press the Power button to turn o
your washer, then turn it on again.
If the code reappears, call customer
service.
Call customer service.
Call customer service.
Make sure the door is rmly closed.
Press the Power button to turn o
your washer, then turn it on again.
If the code reappears, call customer
service.
1. Turn o the unit for 10 seconds and
then turn it on again.
2. Select the Spin Only cycle.
3. Press the Start/Pause to drain the
water.
If it still does not drain, call for service.
Make sure the water faucets are open
all the way. Check for bent hoses.
Check the inlet screens on the hoses.
If you are using a Flood Safety Device,
please remove the device and connect
the water hoses directly to the unit.
Check if the hot water supply hose is
connected.
You must connect the hot water supply
hose because hot water is supplied by
the Auto Temperature Control (A.T.C.)
function if the temperature of the cold
water is lower than 59°F.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
Error Code
NO
(Diagnostic Code
Error Image)
DescriptionCorrective Action
9nF1
10OE
111E
12E2
13
14
15
16
17
tE
3E
2E
AE
8E
SF1
18
SF2
SF3
19
SUdS
The hot/cold water hose connection is not
correct.
A fault is detected in the water level
sensor.
The Water Level sensor is not working
properly.
A jammed key.Call customer service.
A temperature sensor problem.
A motor problem.
High/Low voltage detected.
A Communication error between the
SUB(Sensor) PBA and the MAIN PBA
A MEMS sensor problem.
A system error
Too many suds are detected during the wash session. The unit is put on hold
until the amount of suds have been reduced. The unit will then go back to
operating. When it nishes washing, the “End” and “SUdS” codes will blink in
turn.
Please connect the hot/cold water
hose connection correctly.
Call customer service.
Call customer service.
Press the Power button to turn o
your washer, then turn it on again.
If the code reappears, call customer
service.
Restart the cycle. If the code
reappears, call customer service.
Restart the cycle. If the code
reappears, call customer service.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
Service Mode:
1. The washer must be on to go into the Service Mode.
2. The motor speed will be displayed when started (It displays 0 when the motor does not spin).
3. The present state of the machine will not be changed.
(i.e., the current cycle in progress will not be interrupted and only the display will change)
4. Following Instructions To exit Service Mode.
Press Signal and Extra Rinse Keys for 3 second again, or Power Key.If no key is operated during
Service Mode for 5 minutes, the machine will return to normal user mode.
Power On State
(Normal User Mode)
Service Mode is canceled if no key is pressed for 5 minutes
before the washer operation begins. However, this is not true
when the washer operation has already started.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
Quick Spin Test Mode
Service Mode
Delay Start + Rinse Add
While it is not in Hold Speed Mode
Delay Start + Rinse Add
3 sec
While a cycle is not running
Delay Start + Rinse Add
Start/PauseQuick Spin Test Mode
for 3sec or after 10 minutes
Hold Speed Mode
Denition of Quick Spin Test Mode:
- Quick Spin Test Mode is to do Spin Check. (High RPM)
How to Enter:
- During Service Mode, press the Delay Start + Rinse Add Keys for 3 seconds to enter Quick Spin
Test Mode.
- Cannot enter once the washing cycle has started.
Quick Spin Test Mode:
As it enters into the Quick Spin Test Mode, it starts spinning and reaches to its maximum RPM.
Once the Spin speed reaches the maximum RPM, the speed drops immediately.
To hold Quick Spin Test Mode (entering Hold Speed Mode), press the Start/Pause button. If the
Start/Pause button is pressed during Quick Spin Test Mode, it will stop accelerating and hold its
spinning speed for 10 minutes before going back to Quick Spin Test Mode.
Also, to cancel the hold and allow Quick Spin Test Mode to continue, press the SPIN Key If you
PressSPIN key when the washing machine is not in Hold Speed Mode, Quick Spin Mode is exited
and Service Mode is restored.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
Cycle Count Check Mode
Service ModeCycle Count
Signal
Denition of Cycle Count Check Mode:
- Cycle Count Check Mode is to tally up the number of washings.
How to Enter:
- To enter the Cycle Count Check Mode, press the Signal Key during Service Mode.
Cycle Count Check Mode:
1. Activate the Service Mode in advance.
2. When the Signal key is pressed, the total number of washings will light up and a signal LED will
glow.
3. The maximum number of cycles will be 9999.
The counter will roll over to 0 and start counting again after 9999.
4. The counting will be carried out at the end of the normal cycle.
(For normal and Continuous Run cycles, the count is carried out at the end of the cycles.
5. To exit the Cycle Count Check Mode, press the “Signal” key again.
S/W Version Check Mode
Denition of S/W Version Check Mode:
- S/W Version Check Mode is to bring up S/W Version information.
How to Enter:
- To enter the S/W Version Check Mode, press the Soil Level Key during Service Mode.
S/W Version Check Mode:
1. Activate the Service Mode in advance.
2. Press the Soil Level Key to bring up its software Version
EX) Generate dE49 at Version 49 (dE is Micom code, 49 is it’s software version)
3. To exit the S/W Version Check Mode, press the Soil Level S/W once again.
Then, it returns to the Service Mode with motor RPM illuminating.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
Fast Time Down Test Mode
Denition of Fast Time Down Test Mode:
- Fast Time Down Test Mode is to forward the program to the next cycle stage.
How to Enter:
- To enter the Fast Time Down Test Mode, press the Temp. key during Service Mode.
Fast Time Down Test Mode:
1. Activate the Service Mode in advance.
2. To forward the program to the next cycle stage, press the Temp. key.
Each stage is located at key points of a complete cycle as follows:
- End of Each Fill (Beginning of Wash or Rinse Tumble Session)
Caution: Check if the current water level is higher than the Reset water level and then perform
the Fast time down test.
- Beginning of Drain Session
- Beginning of Spin Session (Here, it checks the water level. So, if it is over the reset level, it carries
out draining before the spinning.)
- Beginning of Fill Session
- Beginning of Bleach Fill
- Beginning of Fabric Softener Fill
- Every 3 minutes during Wash and Rinse Tumble Session
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
Demo Mode
Delay Start + Soil Level
Normal User Mode
While a cycle is not running
5 sec
Demo Mode
Power O Mode
Power O Key
- Demo mode is entered when the Delay Start + Soil Level buttons are held down for ve (5)
seconds simultaneously in the power on state.
- When entering Demo mode, the buzzer rings three (3) times and “- - - -” is displayed on the 7
segment display and all other LED’s are turned o. (Initial Demo mode)
- Demo mode consists of WASH, SPIN and LED modes.
- If the Temp. button is pressed during the initial Demo mode, “WASH” blinks on the 7 segment
display and the washing machine enters WASH mode.
- If the Start/Pause button is pressed in WASH mode, the door is locked (door Lock) and the motor
rotates left and right at 45 RPM in a 7 sec on and 3-sec o cycle.
- WASH mode continues up to ve (5) minutes once started. After the ve (5) minutes have
elapsed, “- - - -” is displayed on the 7 segment display and the initial Demo mode is maintained.
- If the Start/Pause button is pressed during a WASH mode operation, “- - - -” is displayed on the 7
segment display and the initial Demo mode is maintained.
- If the Spin button is pressed in the initial Demo mode, “Spin” blinks on the 7 segment display
and the washing machine enters SPIN mode.
- If the Start/Pause button is pressed in the SPIN mode, the door is locked (door Lock) and a SPIN
is operated at 1150 RPM. When the speed reaches each RPMs, the No Spin, Low, Medium, High,
and Extra High LED’s are turned on.
- During a spin operation, the No Spin LED turns on when the speed is lower than 400 RPM. The
Low LED turns on between 400 RPM and 700 RPM. The Medium LED turns on between 700 RPM
and 900 RPM. The High LED turns on between 900 RPM and 1100 RPM. Extra High spin speed
LED turn On more than 1100 RPM.
- SPIN mode continues up to four (4) minutes once started. After the four (4) minutes have
elapsed, “- - - -” is displayed on the 7 segment display and the initial Demo mode is maintained.
- If the Start/Pause button is pressed during a SPIN mode operation, “- - - -” is displayed on the 7
segment display and the initial Demo mode is maintained.
- If the Soil Level button is pressed in the initial Demo mode, “LED” blinks on the 7 segment
display and the washing machine enters LED mode.
- If the Start/Pause button is pressed in LED mode, all LED’s are turned on. LED mode continues
up to thirty (30) seconds once started. After the thirty (30) seconds have elapsed, “- - - -” is
displayed on the 7 segment display and the initial Demo mode is entered.
- If the Start/Pause button is pressed during an LED mode operation, “- - - -” is displayed on the 7
segment display and the initial Demo mode is entered.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
EEPROM Clear Check
Denition of EEPROM Clear Mode:
- EEPROM initialization.
- All course/option settings are to be reset to default
values after EEPROM initialization.
- When Service arises and it needs PCB replacement,
EEPROM should be reset.
How to Enter:
- Plug in the unit.
- Press Delay Start Key, and Power Key at the same
time.
TROUBLE DIAGNOSIS
- As the micom wash machine is congured of the complicate structure, there might be the
service call.
Below information is prepared for exact trouble diagnosis and suitable repair guide.
Caution for the Repair and Replacement
Please follow below instruction for the trouble diagnosis and parts replacement.
1) As some electronic components are damaged by the charged static electricity from the resin
part of machine or the human body, prepare the human body earth or remove the potential
dierence of the human body and machine by contacting the power supply plug when the
work contacting to PCB is executed.
2) Since AC120V is applied to the triac T1 and T2 on P.C.B, the electric shock may occur by touching
and be careful that the strong and weak electricity are mixed.
3) As the P.C.B assembly is designed for no trouble, do not replace the P.C.B assembly by the wrong
diagnosis and follow the procedure of the trouble diagnosis when the micom is not operated
normally.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
TROUBLE DIAGNOSIS
Will Not Start
• Plug the unit into the wall outlet. Check for proper voltage.
• Check fuse or reset circuit breaker.
• Push any key to turn on the washer and press the Start/Pause key to run the washer.
• Close door and push the Start/Pause key to run the washer.
• Check if washer is in a pause, soak or suds process. Wait briey and it may start. (If the washer is in suds
period, Suds will light up instead of remaining time.)
• Check for restricted drain system. (If there is electrical problem in drain system, “NO Draining” error will occur
after 15 minutes.)
• Check Water Supply.
• Check the line or water valve screen lter.
• Check if PCB connectors are assembled LED properly.
• Check if CN6 terminals on PCB are in good condition. (Refer to PCB Connector Check.)
• Replace PCB.
Leaking
• Make sure inlet hose connections are not leaking. Check for rubber gasket damage due to over tightening.
• Check standpipe for leak. Wrap a dry rag around the standpipe opening.
If rag becomes wet, leak is fault of home plumbing.
Be sure the standpipe is capable of accepting the ow of water from the washer.
• Make sure end of drain hose is correctly inserted and secured to drain standpipe.
• Check rubber boot. Remove, reposition and reinstall, if necessary.
• Check for possible kinked dispenser to outer tub hose. Hot water pressurization may force door open.
No Tumble
• Start normal cycle with an empty machine and allow a ll to check tumble.
• Perform Quick Spin Test. (Before test, make sure that the tumbler is empty.)
• Check for loose connections at Machine Control Board, Pressure Switch, Motor, Tach Harness and Motor
Control. (Refer to the component testing procedure)
• Check for water left inside the washer. If so, go to “Will Not Drain”.
• Perform Quick Test Mode or Quick Spin Test. Does the washer spin? (Before the test, empty the unit inside.)
If it doesn’t tumble after the above, change PCB. When the problem persists, change the motor.
• Perform Quick Test Mode or Quick Spin Test. Does the washer spin? If it does, Check Possible unbalanced
load scenario in normal mode.
• Check for loose connections at PCB, Water Level Sensor, Motor, Hall Sensor Wire Harness. (CN7,CN5,CN6)
(Refer to the Component Testing Procedure.)
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
TROUBLE DIAGNOSIS
No Water Fill
• Perform Quick Test Mode. Check all of Water Valves visually.
(Pre Wash Valve, Cold Water Valve, Bleach Water Valve, Softener dispenses using Cold & Bleach Water Valve,
and Hot Water Valve.)
• Check if water taps are turned on fully.
• Check Water Valves and Water Level Sensor (Refer to PCB Connector Check)
• Check if there is any kink in inlet hoses.
• Check if inlet screens are clogged up.
• Check if water has enough pressure. If so, nd out its contributors.
• Check if there is any frozen area in the unit (Drain Hose, etc)
• Measure the resistance of Water Valve Coil.
(It should read 1.18K ohms. Check Pin#1 of CN6 and PIN#1,2,7,8,9 of CN1)
• Check Pressure S/W and PCB for loose connections. (Refer to PCB Connector Check.)
Tub Full of Suds
• Go to “Will Not Drain” and “Will Not Spin” and check the draining.
• Check PCB and Drain Pump for any loose wire connection.
• Perform Quick Test Mode or Board Output Test to drain.
• Use HE (High-Eciency) or low sudsing detergent specially formulated for front load washers.
• Reduce the amount of detergent for that specic load size and soil level. Keep in mind that towel creates
more suds generally.
• Reduce the amount of detergent when water is soft, or laundry is small or lightly soi LED.
• Do one more washing cycle with cold water and a table spoon of salt without detergent.
Wet Clothes
• Unbalance due to not enough load. Put additional load.
•
Due to excessive suds by using general detergent. Use HE (High-Eciency) or reduce its quantity.
• Low Spin Speed or Drain Only was selected.
• Go to “ Will Not Spin”.
Will Not Lock
• Door is not aligned or closed properly.
• Perform Quick Test Mode. Check Door Lock.
Check the output voltage of Door Lock Coil.
If it reads 120V, change Door Lock Switch, and if not, change PCB. (Refer to PCB Connector Check.)
• Read Lock Switch and PCB (CN6 & CN1). (Refer to PCB Connector Check.)
• Try Door Lock and check for 120V to Door Lock Connector. If 120V present, change Main Control Board and
if not, change Door Lock switch.
Will Not Unlock
• Check if the door is being pushed out, which may keep it from unlocking.
•
Door locks itself when the water level is too high. Opening door will result in water draining from door opening.
• Check the following with Board Input Test Mode.
Water Level (frequency): Over 23.80 KHz.
If so, refer to “Will Not Drain”.
Temperature (Inside Drum): Higher than 60ºC/140ºF.
If so, wait until it drops.
When everything is normal, check PCB connectors and Door Lock Switch.
• Drain manually after removing the plastic drain hose holder.
• Display shows “The door will not unlock”. Turn o and on the unit. If “The door will not unlock” keeps
illuminating, check PCB and Door Lock Switch.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
TROUBLE DIAGNOSIS
• Read Lock Switch and PCB (CN6 & CN1). (Refer to PCB Connector Check.)
• Perform Quick Test Mode. Check Door Lock. Check the output voltage of Door Lock Coil.
If it reads 120V, change Door Lock Switch, and if not, change PCB. (Refer to PCB Connector Check.)
No Key Operation
• Option and Function buttons respond dierently according to each cycle.
• Child Lock is being activated. To exit, hold down Soil Level Key and Signal Key simultaneously until it sends
out a beeping sound.
• When “End“ illuminates on the display, only Power button works. Press Power button and make new cycle
selections.
Will Not Drain
• Check for any kink on the drain hose. If any, straight it out.
• Check for any restriction in the drain hose.
• Close the door and press the Start/Pause Button. For safety reasons, the washer does not tumble or spin with
the door open.
• When it is freezing outside, check if it is frozen inside the drain hose.
• Check if the water level signal input is correct. Go to Board Input Test Mode.
• Go to Quick Test Mode and do Drain Pump Test.
• Check if there is any twist in the hose (the one between Tub and Drain Pump).
• Check if it reads AC 120V at the pump when a spin cycle is selected.
• Read the winding resistance of the pump motor. (14.2±7% Ohms)
• Check the pump at CN1(PIN3) on PCB. It should read AC 110~120V. (Refer to PCB Connector Check)
Wrong Water Temperature
• Check if both of the water taps are fully open.
• Make sure the domestic water heater is set to deliver water lower than 120°F (49°C) hot water at the tap.
Also check water heater capacity and recovery rate.
• If the water heater is located far from the washer, screw out the hot water tap and let its water pass until you
get hot water.
• Too Hot/Too Cold: Reduced amount of water is supplied while PCB controls the inux to regulate the actual
temperature of the water in the tub. This may appear to be signicantly hotter/colder than expected.
• Check if the temperature selection is correct.
• Disconnect inlet hoses from the Water Valve and remove any residue in the inlet screens.
Noisy and/or Vibration/Walking
• Check if the washer is level LED and the lock nuts are tightened up on the bottom plate.
• Check if all of the shipping bolts and spacers are removed from the back panel.
•
Check if load is big enough and there is no unbalance.If there is not enough load, put in a few towels to balance it.
• Check if the motor is fastened enough.
• Remove various trouble contributors (such as dust coat on the oor).
Rubber Feet Leaving Marks on Floor
• Use a pencil eraser to remove mark.
• Walk washer into location, do not drag.
Additive Cups Full of Water
• Small amount of water in bottom of additive cups is normal.
• Remove and wash Dispenser Tray, removable Cup, and Rinse Cap.
• Level washer.
Buttons do not Respond
• Option and Function buttons respond dierently according to each cycle.
• Child Lock feature has been selected. To disable feature press and hold Temp. and Spin simultaneously until
a beep is heard.
• When display shows “End”, only the Power button will function. Press Power and make new cycle selections.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
PROBLEM CHECKING AND METHOD OF PCB
- If you plug in the power cord and turn Power S/W on, memorized data is displayed.
If any data is not displayed, check the followings.
CN6 £ ¨
Thermistor Check
Check Voltage at Pin #3 and #4 of CN6
Tester Check = DC 1.6V
If it ready 5V, check if its connector is engaged
properly.
CN3 ¦ £
CN6
¨ §
¬ £
¬ £ CN7
Hall Sensor Check
Check Voltage at Pin #4 and #2 of CN3
Tester Check = DC 0V or 1.3V
Check Voltage at Pin #4 and #3 of CN3
Tester Check = DC 0V or 1.3V
Motor Check
Resistance at Pin #1 and #2 of CN11 = 12Ω
Resistance at Pin #1 and #3 of CN11 = 12Ω
Resistance at Pin #2 and #3 of CN11 = 12Ω
Door Lock Check
Check Voltage at Pin #1 of CN6 and Pin #2 of RY5
When Door Lock = AC 120V
Drain Motor Check
Check Voltage at Pin #5 of CN6 and Pin #2 of RY5
When Drain Motor operates = AC 120V
Water Sensor Check
Check Voltage and Frequency at Pin #5 and #4 of CN6
Reset water level = DC1.6V, 26.0KHz
Check Voltage and Frequency at Pin #6 and #4 of CN6
Reset water level = DC1.6V, 26.0KHz
CN11
£
¥
RY6 £ ¤
CN5 £¥
RY5
£
¤
CIRCLE Motor Check
Check Voltage at Pin #4 of CN6 and Pin #2 of RY5
When Circulation Motor operates = AC 120V
Water Valve Check
Check Voltage at Pin #2,6,7,8,9,10 of CN6 and Pin #2
of RY5
When each valve operates = AC 120V
AC Power Check
Check Voltage at Pin #1 of CN5 and #2 of POWER
RELAY
Tester Check = AC 120V
Wash Heater Relay Check
Check Voltage at Pin #2 of RY6 and PIN #2 of RY5
When Heater Relay operates = AC 120V