WD-10480TP, WD-10490TP - LG Washing Machine Service Manual (repair manual). Page 24

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Check the sensor
(Pressure) or hose 
(Sensor). 
If the problem is on the
sensor or the hose, replace
the sensor or the hose.

Normal

Reconnect or repair it.

Replace the motor
assembly.

Press [Power] button with [Temp] and [Option]
buttons pressed after power off. Press [Start/Pause]
button 2 times. Does the drum rotate at low spin
speed?

Is it disconnected or badly contacted?
[White : 2 pin ( ), Black : 2 pin ( ), White : 3 pin ( ), 
Blue : 4 pin ( ), White : 4 pin ( )]

Check the motor connector, Is the resistance between
the terminal in figure the same as below?
Resistance between terminals

~ 

: 0.5 ~ 1.0

Ω

~ ⑩

: 1.5 ~ 2.5

Ω

Be sure to unplug the machine before measuring.
MOTOR TERMINAL

Replace the PWB assembly.

While spinning, is the frequency of the
water level 248 or more. The frequency can
be checked by pressing the [Spin] and
[Temp.] buttons at the same time on the
program.