LG F12U2HDM Series Service Manual page 29

Is the Standpipe Height greater
than 1.0 m above the floor?
NO
When there is no water in the
pump casing, is the water level
frequency over 26.0khz ?
YES
Is the Connector connected correctly to
the Main PCB and the Pump Motor
Or is the Harness alright ?
YES
Is the resistance of the Pump Motor out
of range 152~175Ω?
Or is the Impeller operating normally?
Escape
OR
NO
Does the Pump motor start, when the spin mode
starts?
YES
If the drain hose blocked?
Observe
YES
of 1.0m maximum.
- Your washer will not be able to drain out
water adequately, if the standpipe exceeds 1.0 m.
In this case, water may flow back into the washer.
Check the
NO
Check the water level frequency again, if it is over
25.5KHz, replace the
switch.
Reconnect or repair the
NO
? Or replace the
YES
Binding
NO
YES
Standpipe Height requirements
Air Chamber and the Tube
If it is clogged, Pressure
Connector .
Harness .
Replace the Pump Motor
.
Replace the Main PCB
Clean the drain hose.
(clogged).
.