LG WD-12270RDA Service Manual ▷ View online
13
Option button
Dry SELECTOR
Time Delay button
Rinse, Spin and Temp
For Manual
For Manual
• Use this option to prevent unwanted use of the washer.
Press and hold Option and Rinse button for 3 seconds
to lock/unlock control.
to lock/unlock control.
• When Child lock is set, CHILD LOCK lights and all
buttons are disabled except the Power button. You can
lock the washer while it is operating.
lock the washer while it is operating.
• Use these button to change
Rinse/Spin/Temp./Beeper
• When lamp is off, no selection has been
mode.
• Pre Wash and Soak available for Cotton,
Cotton-Eco and Synthetic.
• Allows the start of any
cycle to be delayed for
3~19 hours.
3~19 hours.
• Dry program can be
selected by pressing the
DRY button.
DRY button.
• By pressing the DRY button,
[Cupboard
➔Very➔
20/40/60/80/100
➔Low
Temp.
➔Iron] can be
selected.
• Pre Wash: Use this option for loads that need pretreatment.
It adds 17 minutes prewash and drain.
• Rinse+Spin: Use this option to rinse and then spin.
• Spin Only: If you want Spin Only Select the this option.
• Soak: Use this mode to wash normal clothes or think and
heavy clothes which are excessively dirty
• Dry Only: When you want Dry only, select the this option.
• These lights show which portion of the
cycle the washer is operating.
14
7. TROUBLESHOOTING
7-1. BEFORE PERFORMING SERVICE
Be careful of electric shock when disconnecting parts while troubleshooting.
The voltage of each terminal is 120 V AC and DC when the unit is plugged in.
7-2. QC TEST MODE.
The washer must be empty and the controls must be in the off state.
1. Press the SPIN SPEED and SOIL LEVEL buttons simultaneously.
2. Press the Power button, while the above condition. Then buzzer will sound twice.
3. Press the Start/Pause button repeatedly to cycle through the test modes.
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY
Press the SPIN SPEED and SOIL LEVEL button simultaneously.
So, for example a display indicating 241: a Water level frequency of 241 x.1 kHz
= 24.1 kHz
The digits indicate the water level frequency ( x.1 kHz ).
Check Point
Display Status
None
Turns on all lamps and locks the door.
1 time
Tumble clockwise.
rpm (40~50)
2 times
Low speed Spin.
rpm
3 times
High speed Spin.
rpm
4 times
Inlet valve for prewash turns on.
Water level frequency (25~65)
5 times
Inlet valve for main wash turns on.
Water level frequency (25~65)
6 times
Inlet valve for hot water turns on.
Water level frequency (25~65)
7 times
Inlet valve for bleach turns on.
Water level frequency (25~65)
8 times
Inlet valve for dry turns on.
Water level frequency (25~65)
9 times
Tumble counterclockwise.
rpm (40~50)
10 times
Heater turns on for 3 sec.
Water temperature
11 times
Circulation pump turns on.
Water level frequency (25~65)
12 times
Drain pump turns on.
Water level frequency (25~65)
13 times
Dry fan & motor turns on.
Water level frequency (25~65)
14 times
Power off and unlock the door.
Turn off all lamps.
Number of times the
Start/Pause button is pressed
15
7-4. ERROR DISPLAY
If you press the START/PAUSE button when an error is displayed, any error except
will
disappear and the machine will go into the pause status.
In case of
if the error is not resolved within 20 sec., or the in case of other errors,
if the error is not resolved within 4 min., power will be turned off automatically and the error code will
blink. But in the case of
blink. But in the case of
, power will not be turned off.
ERROR SYMPTOM
CAUSE
WATER INLET
ERROR
• Correct water level (246) is not reached within 8 minutes
after water is supplied or it does not reach the preset water
level within 25 minutes.
level within 25 minutes.
• The load is too small.
• The appliance is tilted.
• Laundry is gathered to one side.
• Non distributable things are put into the drum.
• The appliance is tilted.
• Laundry is gathered to one side.
• Non distributable things are put into the drum.
1
2
IMBALANCE
ERROR
• Not fully drained within 10 minutes.
3
DRAIN
ERROR
• Water is overflowing (water level frequency is over 213).
※ If is displayed, the drain pump will operate to
drain the water automatically.
4
OVER FLOW
ERROR
• The SENSOR SWITCH ASSEMBLY is out of order.
5
PRESSURE
SENSOR
ERROR
• Door not all the way closed.
• Loose electrical connections at Door switch and
• Loose electrical connections at Door switch and
PWB Assembly.
• The DOOR SWITCH ASSEMBLY is out of order.
6
DOOR OPEN
ERROR
• The THERMISTOR is out order.
7
HEATING
ERROR
16
ERROR SYMPTOM
CAUSE
OVER
CURRENT
ERROR
• MAIN PWB ASSEMBLY is out of order.
• Winding in the STATOR ASSEMBLY is short-circuited.
• The connector (3-pin, male, white) in the MOTOR
HARNESS is not connected to the connector
(3-pin, female, white) of STATOR ASSEMBLY.
(3-pin, female, white) of STATOR ASSEMBLY.
• The electric contact between the connectors
(3-pin, male, white) in the MOTOR HARNESS
and 4-pin, female, white connector in the MAIN PWB
ASSEMBLY is bad or unstable.
and 4-pin, female, white connector in the MAIN PWB
ASSEMBLY is bad or unstable.
• The MOTOR HARNESS between the STATOR
ASSEMBLY and MAIN PWB ASSEMBLY is cut (open
circuited).
circuited).
• The hall sensor is out of order/defective.
8
9
LOCKED
MOTOR
ERROR
• Loose Ball Sensor Connector.
• Ball Sensor is out of order.
• Ball Sensor is out of order.
※ Displayed only when the START/PAUSE button is first
pressed in the QC Test Mode.
10
BALL SENSOR
ERROR
• The washer experienced a power failure.
• The Dry Heater is out of order.
- Replace the Dry Heater
• The connector of the Dry Heater is not connected
properly to the connector in the main PWB ASSEMBLY.
- Reconnect or repair the cannector.
- Reconnect or repair the cannector.
• The Dry Fan Motor is out of order.
-Replace the fan motor.
12
13
POWER
FAILURE
DRY HEATER
ERROR
• EEPROM is out of order.
※ Displayed only when the START/PAUSE button is first
pressed in the QC Test Mode.
11
EEPROM
ERROR
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