LG WD-12270RD Service Manual ▷ View online
8
Before servicing, ask the customer what the trouble is.
Check the setup (power supply is 120 V AC, remove the transit bolts....).
Check with the troubleshooting guide.
Plan your service method by referring to the disassembly instructions.
Service the unit.
After servicing, operate the appliance to see whether it functions correctly.
Check the setup (power supply is 120 V AC, remove the transit bolts....).
Check with the troubleshooting guide.
Plan your service method by referring to the disassembly instructions.
Service the unit.
After servicing, operate the appliance to see whether it functions correctly.
STANDARD INSTALLATION
The appliance should be installed as follows:
REMOVE THE SHIPPING
INSTALL THE APPLIANCE
ADJUST THE
BOLTS
ON A FLAT AND FIRM SURFACE
LEVELING
Remove the 4 shipping bolts
Turn the leveling feet to adjust
with the supplied wrench.
the appliance.
Do first lower side to remove easily.
Keep the shipping bolts and
spanner for future use.
Insert the 4 caps
(provided) into the hole.
Turn clockwise to raise;
counterclockwise to lower.
4. INSTALLATION & TEST
9
HOW TO CONNECT THE INLET HOSE
Verify that the rubber washer is inside of the
valve connector.
Tighten the inlet hose securely to prevent leaks.
CONNECT THE DRAIN HOSE
CONNECT POWER PLUG
The end of the drain hose should be placed less than 96” from the floor.
Connect the power plug to the wall outlet.
Avoid connecting several electric devices, as
doing so may cause a fire.
doing so may cause a fire.
Make sure that the hose is not twisted.
Avoid submerging the end of the hose.
10
SOFTENER
MAX
TEST OPERATION
Connect the power plug to
the outlet.
Connect the inlet hoses.
the outlet.
Connect the inlet hoses.
Power off and the power on.
Press the SPIN SPEED button.
Press the START/PAUSE button.
Check the spin and drain
functions.
Press the SPIN SPEED button.
Press the START/PAUSE button.
Check the spin and drain
functions.
Listen for a click to determine
if the door is unlocking.
if the door is unlocking.
Listen for a click to determine if
the door has locked.
the door has locked.
If SVC is needed during check,
remove the remaining water by
pulling out the hose cap.
remove the remaining water by
pulling out the hose cap.
Preparation for
Press the POWER button.
Press the Start/Pause
washing.
button.
Press the WASH/RINSE button
Check if the drum rotates
Check if water is supplied
and the present temperature will
clockwise and counterclockwise.
through the detergent dispenser.
be displayed.
Check the water heating
Check the automatic
Check the water supply.
function.
reverse rotation.
Check the drain and spin
Press the
Water removal
functions.
START/PAUSE button.
11
5. WIRING DIAGRAM
/
PROGRAM CHART
MAIN PWB
DISPLAY PWB
DOOR LOCK SWITCH
13 PIN CONNECTOR
12 PIN CONNECTOR
#250 TERMINAL+HOUSING
RING TERMINAL GROUND
2 PIN CONNECTOR
1 PIN CONNECTOR
#250 TERMINAL
(NOTES)
FAN MOTOR
2
2
3
3
WH
1
1
WH
6
6
4
4
3
3
5
5
2
2
1
1
YL
3
2
WH
1
2 3
1
RD
6
4
3
5
6
4
3
5
2
1
2
1
HEATER
PRESSURE
SWITCH
SENSOR
6 PIN CONNECTOR
5 PIN CONNECTOR
4 PIN CONNECTOR
3 PIN CONNECTOR
THERMISTOR
TH2
TH1
TH4
TH3
1 2
1 2
1 2
1 2
2
1
3
2
1
3
MOTOR
2
2
1
1
3
3
W
Ha
Hb
2 3
1
1
2
2
3
3
3
V
U
2 1
1
1
2
2
+
5
5
4
4
4
1
3
3
GND
DRAIN PUMP
2
INLET VALVE
2
1
3
3
3
2
2
2
1
1
1
BALL
1 2
1
3
3
2
2
2
1
1
1
2
1
BL
NA
CON3
NA
5 6
3
2
4
3 2 1
4
5 6
3
2
4
1
1
1
4
RD
WH
3 2 1
3 2
3
2
1
1
2
3
4
9 10 11
7 8
5 6
NA
RD
2 3
3
2 3
3
1
2
1
2
2 3
3
2 1
1
3
2
1 2 3
4
1
4
1
4
1
CON3
NA
BL
1
2
3
1
2
3
6
6
5
4
5
4
YL
4
3
2
3
4
2
1
WH
WH
1
1
1
1
1
1
CON2
6
7 8
4 5
2 3
WH
2 3
2 3
13
12
11
2 3
DRY
1
1
10
9
1
8
6
7
4 5
8
7
6
4 5
6
7 8
4 5
2
2
2
3
3
3
7
6
8
4 5
2 3
13
12
11
13
11 12
13
12
11
13
11 12
10
9
9 10
10
9
9 10
CON2
P
T
C
T
C
P
SOLE
NOID
CORD
POWER
C P
1
5
4
2
3
2
4 3
1
1
1
1
1
FUSE
WASHING
HEATER
NOISE
FILTER
NA
WH
WH
CON1
RD
1
3
2
1
3
2
7
6
5
4
2 3
1
3
2
1
WH
2
3
1
2
3
1
12
10 11
8 9
7
6
5
4
3
2
4 5 6
7
3
2
7
6
5
4
3
2
1
1
1
4 5 6
7
2 3
1
12
10 11
12
10 11
12
10 11
9
8
9
8
8 9
12
10 11
8 9
CON1
BK YL
OR BL BN GY
WHBL BK GY PI
BL RD
YL
BL RD
GY WH
VT SB WH
YL RD RD
BN
YL BK
YL BL
GY WH
SB
BL
BL YL
RD
BL GN
BN
WH
WH
WH
WH
WH
BL
BL BL
BL
BL
BL BL
GY WH
WH
WH
WH
BL
RD
YL
NA
BL
RD
BL
NA
BK
BK
BK
RD
GN
NA
GN
BL
BN
BK
WH
RD
BK
GN
WH
BL
BN
GY
PI
WH
SB
SB
BK
BK
BN
CIRCULATION PUMP
HOT
DRY
MAIN
WASH
PRE
WASH
PI
2:19
1:22
1:04
1:01
52
30
1:21
18
1
Duvet
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