DOWNLOAD LG WD-R1112 Service Manual ↓ Size: 4.48 MB | Pages: 42 in PDF or view online for FREE

Model
WD-R1112
Pages
42
Size
4.48 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wd-r1112.pdf
Date

LG WD-R1112 Service Manual ▷ View online

13
7. TROUBLE SHOOTING
7-1. BEFORE PERFORMING SERVICE
■ Be careful of electric shock when disconnecting parts while troubleshooting.
■ The voltage of each terminal is 110/120 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 Wash/Rinse and Spin Speed 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 Wash/Rinse and Spin Speed 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 bleach 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 dry turns on.
Water level frequency (25~65)
8 times
Tumble counterclockwise.
rpm (40~50)
9 times
Heater turns on for 3 sec.
Water temperature
10 times
Drain pump turns on.
Water level frequency (25~65)
11 times
Dry operation for 6 minutes.
Temperature in Dry duct.
12 times
Power off and unlock the door.
Turn off all lamps.
Number of times the
Start/Pause button is pressed
14
7-4. ERROR DISPLAY
If you press the Start/Pause button when an error is displayed, any error except 
d
ewill disappear
and the machine will go into the pause status.
In case of 
d
e,
d
e,
d
eif the error is not resolved within 20 sec., or in the 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. In the case of 
d
e, 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.
• The load is too small.
• The appliance is tilted.
• Laundry is gathered to one side.
• Non distributable items 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 
PWB Assembly.
• The DOOR SWITCH ASSEMBLY is out of order.
6
DOOR OPEN
ERROR
• The THERMISTOR is out order.
7
HEATING
ERROR
ERROR
SYMPTOM CAUSE
8
9
10
• MAIN PWB ASSEMBLY is out of order
Replace the MAIN PWB ASSEMBLY
• Winding in the STATOR ASSEMBLY is short-circuited.
Replace the STATOR ASSEMBLY
• “      ” is dispplayed during a high spin 
Replace the LEAD WIRE ASSEMBLY (MOTOR)
• The connector in the LEAD WIRE ASSEMBLY is not connected to
the connnector of STATOR ASSEMBLY
Reconnect or repair the connector
• The hall sensor is out of order/defective.
Replace the STATOR ASSEMBLY
• 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 connector
• The Dry fan motor is out of order
Replace the fan Motor.
CURRENT
ERROR
MOTOR
ERROR
DRY
HEATOR
ERROR
15
16
8-1. DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION
8. ERROR DIAGNOSIS AND CHECKLIST
SYMPTOM
GUIDE FOR SERVICE CALL
NO POWER 
Water inlet trouble
YES
YES
YES
NO
NO
YES
NO
NO
Is the power plug connected firmly to 
120V~ outlet?
Power failure? or Breaker opened?
Visit to check 
Is "       " displayed?
Is the tap opened?
Is the tap frozen?
Is the water supply shut-off?
Is filter in the inlet valve clogged with
foreign material?
Visit to check 
Clean the filter of
inlet valve
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