DOWNLOAD LG WM-12316FD Service Manual ↓ Size: 3.81 MB | Pages: 36 in PDF or view online for FREE

Model
WM-12316FD
Pages
36
Size
3.81 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wm-12316fd.pdf
Date

LG WM-12316FD Service Manual ▷ View online

12
6. WIRING DIAGRAM
PROGRAM CHART
MAIN PWB
13
7. TROUBLE SHOOTING
7-1.BEFORE SVC CHECKING
Be careful of electric shock or disconnecting the parts while trouble shooting.
Voltage of each terminal in 220-240V~ and DC while applying an electric current.
7-2.QC TEST MODE.
Pressing  Rinse, and Spin button simultaneously.
Press the Power        button, while the above condition.
Press the Start/Pause button as follows.
7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY
Press the Rinse and Spin button simultaneously.
ex) 241 : Water level frequency = 241
10
-1
kHz
=24.1 kHz
7-4.HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR
AT OPERATING CONDITION.
■ 
Thermistor in tub : Press the [Temp.] button.
The digits means water level frequency(10
-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 (600~650)
3 times
High speed Spin.
rpm (1300~1350)
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
Tumble counterclockwise.
rpm (40~50)
8 times
Heater turns on for 3 sec.
Water temperature
9 times
Circulation pump turns on.
Water level frequency (25~65)
10 times
Drain pump turns on.
Water level frequency (25~65)
11 times
Power off and unlock the door.
Turn off all lamps.
Number of times the
Start/Pause button is pressed
14
7-5.ERROR DISPLAY.
If you press the Start/Pause button in error condition, any error except ‘
’ will disappear and the
machine will change into pause status.
In case of 
if the error is not resolved within 20 sec., and in case of other errors,
if the error is not resolved within 4 min., power will be turned off automatically and the error only will be
blinked. But in case of 
, power will not be turned off.
ERROR
SYMPTOM CAUSE
1
2
3
4
5
6
7
• Not reached to the water level(246)within 8
minutes after water supplied or not reached to
the preset water level within 25 minutes.
• Not fully drained within 10 minutes.
• Water is over flowing(over 8 level).
If              is displayed, drain pump operates to
drain water automatically.
• The sensor pressure switch is out of order.
• In case of operating the reservation function or
the other function with door opened. Close the
door, then the error display is resolved.
• The door switch is out of order.
• The appliance is tilted.
• Laundry is gatherd to one side.
• The THERMISTOR is out of order.
WATER INLET
ERROR
DRAIN ERROR
OVERFLOW
ERROR
SENSOR PRESSURE
S/W ERROR
DOOR OPEN
ERROR
IMBALANCE
ERROR
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
• Water leaks
[WD-14310(5)FD/WD-12310(5)FD]
CURRENT
ERROR
MOTOR
ERROR
DRY
HEATOR
ERROR
15
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