LG WD-S17DVD Service Manual ▷ View online
29
DRY FAN MOTOR TUOUBLE
(1)
(1)
(2)
(2)
(3)
Is it disconnected, or disassembled?
【(1)-Yellow, 3pin】
When checking woltage between connectors
【(1)~(2), (2)~(3)】on drying, is the
voltage DC 20~30V as the figure?
【wire color: (1)-White, (2)-Black
(3)-Yellow
】
Reconnect or
repair connector.
repair connector.
Replace the
PWB ASSEMBLY(Main)
PWB ASSEMBLY(Main)
Replace the DRY FAN
ASSEMBLY.
ASSEMBLY.
Check the motor connector, is the resistance
of terminal same as the figure?
Resistance of terminal :
of terminal same as the figure?
Resistance of terminal :
① - ③ : 2~5Ω
② - ③ : 2~5Ω
30
LOT OF VAPOR IN DRAWER WHEN DRYING
Isn’t the water supply shut-off?
Is tap opened?
Open the tap.
Clean the fiter.
Replace the inlet valve.
(5221ER1002A)
(5221ER1002A)
Replace
PWB ASSEMBL Y(Main)
PWB ASSEMBL Y(Main)
Check if the voltage of each termianl of Inlet
Valve is AC 220-240V.
(Refer to 7.TEST MODE)
Valve is AC 220-240V.
(Refer to 7.TEST MODE)
Is resistance of the inlet valve terminal
between 2 to 8 k Ω?
between 2 to 8 k Ω?
Isn’t the inlet valve filter clogged with impurity?
31
SPIN TROUBLE
1 2 ERROR
(1)
(1)
(2)
Check during spin if the frequency of the water
level is 248 or more.
level is 248 or more.
When pressing Rinse, Spin, and Power buttons
at the same time after power, press the
START/PAUSE button 2 times in QC Test mode,
is the drum spinning at low speed?
at the same time after power, 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)]
[Red: 3pin (1), NA: 4pin (2)]
Resistance of terminal:
①-②/②-③/③-① :
①-②/②-③/③-① :
About 5
Ω -15Ω
Check the motor connector, Is the resistance of
the terminal the same as the figure?
MOTOR TERMINAL
the terminal the same as the figure?
MOTOR TERMINAL
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?
START/PAUSE button is pressed to start the cycle?
Is DOOR SWITCH ASSEMBLY broken?
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.
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
③
②
①
Correct the connection.
Replace the STATOR
ASSEMBLY
ASSEMBLY
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)).
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
(Red 3 pin, Yellow 4 pin and
white 3 pin connector (1)).
Replace the DOOR
SWITCH ASSEMBLY.
SWITCH ASSEMBLY.
32
CONTROL PANEL ASSEMBLY
9.DISASSEMBLY INSTRUCTIONS
✽
Be sure to unplug the machine out of the outlet before disassembling and repairing the parts.
① Unscrew 2 screws on the back of the top plate.
② Pull the top plate backward and upward as shown.
⑥ Unscrew the 8 screws from the Control Panel
Assembly.
⑦ Disassemble the Display PWB Assembly.
③ Disconnect the Display PWB Assembly connector
from Trans cable.
④ Pull out the drawer and unscrew 2 screws.
Unscrew 1 more screw on the back of the control
panel.
⑤ Lift the left side of the Control Panel Assembly and
pull it out.
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