LG WD-ND13WM Service Manual ▷ View online
25
HEATING WITHOUT WATER
DRAIN MALFUNCTION
When pressing Time Delay and Rinse at the same
time after draining, is the water level frequency 255?
When pressing Time Delay and Rinse buttons
at the same time while washing, is the water level
frequency between 220V?
time after draining, is the water level frequency 255?
When pressing Time Delay and Rinse buttons
at the same time while washing, is the water level
frequency between 220V?
Check the voltage between two pins while pressing
the POWER button. Is the voltage 220-240V AC?
the POWER button. Is the voltage 220-240V 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)
(resistance of the coil is 10-20 Ω)
When checking voltage between connectors during
spin, is the voltage 220-240V AC as in the figure?
spin, is the voltage 220-240V AC as in the figure?
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
connector
Replace the DRAIN
PUMP ASSEMBLY.
PUMP ASSEMBLY.
Replace the MAIN PWB
ASSEMBLY.
ASSEMBLY.
FOR LG TECHNICIAN
26
SPIN TROUBLE
ERROR
Check on the spinning, is the frequency of the
water level 248 or more. The frequency can be
checked by pressing the Rinse and Spin
buttons at the same time on the program.
water level 248 or more. The frequency can be
checked by pressing the Rinse and Spin
buttons at the same time on the program.
When pressing Rinse, Spin and POWER
buttons at the same time after power off,
press the Start/Pause button 1 times, is the
drum low speed spin?
buttons at the same time after power off,
press the Start/Pause button 1 times, is the
drum low speed spin?
Is it disconnected, or disassembled?
[Red:3pin(1), GY:4pin(2)]
[Red:3pin(1), GY:4pin(2)]
Replace the MAIN PWB ASSEMBLY
Resistance of terminal:
: About 5 Ω ~ 15 Ω
Check the motor connector, is the resistance of
the terminal same as the figure?
MOTOR TERMINAL (1)
the terminal same as the figure?
MOTOR TERMINAL (1)
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?
START/PAUSE button is pressed to start the cycle?
Is DOOR SWITCH ASSEMBLY broken?
Check the S.PRESSURE SWITCH
ASSEMBLY or HOSE (Pressure).
If the problem is on the
S.PRESSURE SWITCH
ASSEMBLY or the HOSE, replace
the S.PRESSURE SWITCH
ASSEMBLY or the HOSE.
ASSEMBLY or HOSE (Pressure).
If the problem is on the
S.PRESSURE SWITCH
ASSEMBLY or the HOSE, replace
the S.PRESSURE SWITCH
ASSEMBLY or the HOSE.
Normal
Correct the connector.
Replace the STATOR
ASSEMBLY
ASSEMBLY
Replace Door Assembly.
Replace the DOOR
SWITCH ASSEMBLY.
SWITCH ASSEMBLY.
Check the DOOR SWITCH
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
(Natural 4 pin).
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
(Natural 4 pin).
FOR LG TECHNICIAN
27
WILL NOT CIRCULATE WATER
Is the impeller of the drain pump clogged?
Remove foreign material.
Remove foreign material.
Reconnect or repair
the connector.
the connector.
Replace PUMP MOTOR
ASSEMBLY.
ASSEMBLY.
Replace the MAIN PWB
ASSEMBLY.
ASSEMBLY.
Are the Hose Connector and/or Hose clogged?
Is the connector disconnected, disassembled?
Is the coil of the right side of drain pump open
or short circuited? (Coil R is 18-30 Ω)
or short circuited? (Coil R is 18-30 Ω)
When checking voltage between the
connectors during spin, is the voltage 220-240V
AC, as the figure?
connectors during spin, is the voltage 220-240V
AC, as the figure?
FOR LG TECHNICIAN
28
PANEL ASSEMBLY, CONTROL
9.DISASSEMBLY INSTRUCTIONS
Disassemble and repair the parts after pulling out power cord from the outlet.
TOP PLATE ASSEMBLY
PANEL ASSEMBLY, CONTROL
PWB ASSEMBLY(DISPLAY)
PANEL ASSEMBLY(RAWER)
Unscrew 2 screws on the back of the top plate.
Pull the top plate backward and upward as shown.
Pull out the drawer and unscrew 2 screws.
Lift the side the Control Panel Assembly and pull it out
Unscrew the 10 screws from the Control Panel
Assembly.
Disassemble the Display PWB Assembly.
Push out PANEL ASSEMBLY,CONTROL after
Push the hook(®Á) below.
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