Read LG WT4870CW Service Manual online
5-5. INLET VALVE ASSEMBLY
45
Wiring
diagram
Function
Test
points
and
Result
Circuit in the MAIN PCB
Wiring diagram
INLET VALVE
Inlet valve driving circuit
Depending on the cycle and water temperature, the controller will energize the hot or cold water
valve solenoids to meet the selected water temperature.
After unplugging the connector of the defective valve, check the resistance.
(1) (2)
(2)
(2)
(2)
(2)
(1)
(1)
(1)
(1)
* All valves operate at 13.5 VDC.
Test
Points
(1)-(2)
Result
24±10% [Ω]
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