Read LG WM2550HVCA Service Manual online
41
9-6. HEATER ASSEMBLY
Wiring
diagram
diagram
Circuit in the MAIN PWB
MICOM
12V
Heater
Vac
X100
3
4
3
4
Tab Relay
Heater driving circuit
Wiring diagram
MAIN PWB
(X71)
3 4
3 4
3 4
3 4
3 4
3 4
3 4
3 4
3 4
(X135)
(X134)
BK
BL
YL
RD
GY
BL
BK
BK
Vac
WASH
HEATER
HEATER
STEAM
GENERATOR
HEATER
GENERATOR
HEATER
YL
E
S
U
F
E
S
U
F
Function
Test points
Result
1. The wash heater is designed to raise the wash water to the desired temperature
selection during certain wash cycles.
2. The steam generator heater is designed to make the water to the steam during
steam cycles.
Wash Heater
Steam Generator Heater
* Each circuits of loads in wiring diagram are all same.
Wash Heater
Steam Generator Heater
Test Points
Result
(1) to (2)
12-18
Ω
Test Points
Result
(1) to (2)
12-18
Ω
(1)
(2)
(2)
(1)
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