WD-80200TP - LG Washing Machine Service Manual (repair manual). Page 24

PWB ASSEMBLY

PWB ASSEMBLY

1

2

Replace the sensor 

(pressure).

Replace the sensor 

(pressure).

Repair drain hose

Remove foreign material.

Reconnect or repair the
connector

Replace the pump
assembly

Replace the PWB  

When pressing [Option] and [Spin] at the same time
after draining, is  the water level frequency 252 or
more?  
When pressing  [Option], [Spin] buttons at the
same time while wash, is the water level
frequency between 220 - 240?

Replace the PWB assembly.

Is the drain hose twisted or frozen?

Is the impeller of the drain pump clogged?

Is the connector disconnected, disassembled?

Is the coil of drain pump cut-off?

(resistance of coil is 90~160 )

When checking voltage between connectors

( ,  )on spinning, is the voltage 220 - 240V~ 

as the figure?