Heater Assembly - LG WT7700HVA Service Manual

5-6. HEATER ASSEMBLY

Wiring
diagram
Heater driving circuit
1. The Wash Heater is designed to raise the wash water to the desired temperature selection during
Function certain wash cycles.
2. The Steam generator heater is designed to make the water to the steam during steam cycles.
Teat
points
Test Points
Result
Circuit in the MAIN PCB
(1) (2)
Wash Heater
Wash Heater
Result
(1) to (2) 12-18 k Ω
* Each circuits of loads in wiring diagram are all same.
47
Wiring diagram
WASH
HEATER