WF-5745SPM - LG Washing Machine Service Manual (repair manual). Page 39

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38
4) Water doesn't come into the wash tub.
Where, what & how to check?
Result of Check Possible Cause
How to repair & settle
Inlet Valve
1. If water doesn’t come though the 
inlet valve works(electric sound 
occurs)
1) Check whether water mains is cut.
2) Check whether tabs are turned on.
3) Hot & cold tab are opposite
connected.
4) Wrongly select water temperature
option.
5) If there are no problems in the 
above, check the inlet valve filters 
after disconnecting the water supply
hoses.
6) If there are no problems in the 
above a diaphragm hole in the valve
is blocked  by foreign substance or 
the plunger in it is locked.
2. If the inlet valve doesn’t work(there 
is no electric sound)during filling 
cycle.
1) Check whether it’s connectors are 
taken off or they have poor 
connection. 
2) Check resistance of the inlet valve.
Water mains cut.
Don’t tumed on.
Connected
opposite.
Selected 
opposite.
Filters blocked
by foreign
substance.
A connector is
taken off.
Mains cut. 
Mistake of use.
Wrong installation.
Mistake of use.
Don’t clean.
Defect of the
inlet valve.
Defect of contact.
Coil is open
Explain.
Turn on the tap.
Correct their locations
and turn on the tap.
Explain how to use. 
Clean them by brush 
and explain cleaning 
regulary them.
Change the inlet valve.
Reconnect it or remove
the causes to make poor 
connection.
Change the inlet valve.
Where, what & how to check?
Result of Check Possible Cause
How to repair & settle
Drain Motor
1. Operate washer setting spin only, 
then  press the start/pause button 
when the  wash motor starts to work 
and then press the start/pause 
button again in order for the drain 
motor to work intermittently.
Controller
1. If mains voltage and the drain motor 
have no defects a defect of the 
controller is highly possible.
Reset  happens
after  the  drain
motor works.
Defect of the drain 
motor (A noise 
generated when the 
internal relay 
works.)
Change the drain motor
Change the controller.
3) Reset during operation
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