DOWNLOAD LG WD-12270RDA Service Manual ↓ Size: 4.97 MB | Pages: 44 in PDF or view online for FREE

(1)

(1)

(2)

Check the SENSOR SWITCH
ASSEMBLY or HOSE (Pressure). 
If the problem is on the SENSOR
SWITCH ASSEMBLY or the
HOSE, replace the SENSOR
SWITCH ASSEMBLY or the
HOSE.

Normal

Correct the connection.

Replace the STATOR
ASSEMBLY

Check during spin if the frequency of the water
level is 248 or more. 

Press the  START/PAUSE button 2 times in QC
Test mode, is the drum spinning at low speed?

Is it disconnected, or disassembled?
[Red: 3pin (1), NA: 4pin (2)]

Check the motor connector, Is the resistance of
the terminal the same as the figure?
MOTOR TERMINAL

Resistance of terminal: 

- / - / -

About 5 

Ω 15 Ω

Replace the MAIN PWB ASSEMBLY

Does the spring of Latch Hook actuate?

Is there clicking sound once or twice when the
START/ PAUSE button is pressed to start the cycle?

Is DOOR SWITCH ASSEMBLY broken?

Replace Door Assembly.

Check the DOOR SWITCH
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
(Red 3 pin, Yellow 4 pin and
white 3 pin connector (1)).

Replace the DOOR
SWITCH ASSEMBLY.

Disassemble the cabinet cover and
condensing bellows.
Is there any foreign object in the condensing
bellows.

Clean the bellows

Replace the thermistor.
6322FR2046C :
Dry Duct

Disassemble the dry fan assembly and 
dry duct upper, and remove foreign 
objects in duct and fan.

Dry duct

Condensing
duct

Condensing
bellows

Thermistor

Is the resistance of thermistors on dry duct
2.5k

Ω ~180kΩ (at 100°C ~0°C).

9. DISASSEMBLY INSTRUCTIONS

DISPLAY PWB ASSEMBLY

TOP PLATE ASSEMBLY

CONTROL PANEL ASSEMBLY

DRAWER

CONTROL PANEL ASSEMBLY

Be sure to unplug the machine out of the outlet before disassembling and repairing the parts. 

Unscrew 2 screws on the back of the top plate.

Pull the top plate backward and upward as shown.

Disconnect the Display PWB Assembly connector

from Trans cable.

Pull out the drawer and unscrew 2 screws.

Lift the left side of the Control Panel Assembly and

pull it out.

Unscrew the 9 screws from the Control Panel

Assembly.

Disassemble the Display PWB Assembly.