LG WM3670HWA - Troubleshooting; Before Calling for Service

8-4. PUMP MOTOR ASSEMBLY
Wiring
diagram
Circuit in the MAIN PWB Wiring Diagram
MICOM
IC
R
5V
Rg
Cg
Vdc
Rs
Cs
PCB
CONNECTOR
PUMP
Vac
2
1 4
3
Pump Driving circuit
Object
Function
Test
points
Result
* Each circuits of loads in wiring diagram are all same.
Two pump motors are used to dra in the tub
Drain Pump
Drain Pump
Test Points Result
(1) to (2) 10-20 Ω
T. P
(1) (2)
(1) (2)
37
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