LG WM2350HNC Service Manual ▷ View online
24
Replace the
SENSOR SWITCH
ASSEMBLY.
SENSOR SWITCH
ASSEMBLY.
Replace the MAIN PWB
ASSEMBLY.
ASSEMBLY.
Repair the DRAIN HOSE
ASSEMBLY.
ASSEMBLY.
Remove foreign material.
Reconnect or repair the
connector
Replace the DRAIN
PUMP ASSEMBLY.
Replace the MAIN PWB
ASSEMBLY.
ASSEMBLY.
When pressing
CUSTOM PROGRAM and PRE-WASH
at the same time after draining, is the water level
frequency 255?
When pressing WASH/RINSE and DELAY WASH
When pressing WASH/RINSE and DELAY WASH
buttons at the same time while washing, is the water
level frequency between 230 - 243 ?
Check the voltage between two pins while pressing
the POWER button. Is the voltage 120 V AC?
Is the drain hose twisted or frozen?
Is the impeller of the drain pump clogged?
Is the connector disconnected, disassembled?
Is the coil of the drain pump too high or low?
(resistance of the coil is 10-20 Ω)
When checking voltage between connectors during
spin, is the voltage 120 V AC as in the figure?
spin, is the voltage 120 V AC as in the figure?
HEATING WITHOUT WATER
DRAIN MALFUNCTION
25
Extra Hot: 70 °C
CUSTOM PROGRAM and
WASH/RINSE button
BL
WH
WH
WH
WH
RD
BL
BL
BL
OR
1
2
RD
BL
2 1
Blue
Red
Black
Yellow
(1)
BL
WH
WH
WH
WH
RD
BL
BL
BL
OR
RD
BL
Push the THERMISTOR
tightly to the rubber.
Replace the
Heater Assembly
When checking the THERMISTOR on the tub,
is the THERMISTOR loose?
is the THERMISTOR loose?
Water Temperature [°C]
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
WASH HEATER TROUBLE
26
(1)
(2)
BL
WH
WH
WH
WH
RD
BL
BL
BL
OR
RD
BL
BL
WH
WH
WH
WH
RD
BL
BL
BL
OR
RD
BL
SPIN TROUBLE
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
MOTOR TERMINAL
Resistance of terminal:
①-②/②-③/③-①:
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.
③
②
①
27
9. DISASSEMBLY INSTRUCTIONS
DISPLAY
PWB ASSEMBLY
TOP PLATE ASSEMBLY
CONTROL PANEL ASSEMBLY
DRAWER
CONTROL PANEL ASSEMBLY
CONTROL PANEL ASSEMBLY
✽ Be sure to unplug the machine out of the outlet before disassembling and repairing the parts.
①
① Unscrew 2 screws on the back of the top plate.
②
② Pull the top plate backward and upward as shown.
③
③ Disconnect the Display PWB Assembly connector
from Trans cable.
④
④ Pull out the drawer and unscrew 2 screws.
⑤
⑤ Taking out 1 screw.
⑥
⑥ Lift the side the Control Panel Assembly and
pull it out
⑦
⑦ Unscrew the 8 screws from the Control Panel
Assembly.
⑧
⑧ Disassemble the Display PWB Assembly.
⇩
⇩
⇩
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