LG WM3470HWA Service Manual ▷ View online
41
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9-6. HEATER ASSEMBLY
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Circuit in the MAIN PWB
MICOM
12V
Heater
Vac
X100
3
4
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Tab Relay
Heater driving circuit
Wiring diagram
MAIN PWB
(X71)
3 4
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(X135)
(X134)
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Vac
WASH
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Result
Wash Thermistor
Test Points
(1) to (2)
Result
(tolerance ±5%)
39.5 k
Ω
26.1 k
Ω
12.1 k
Ω
8.5 k
Ω
3.8 k
Ω
2.8 k
Ω
Remarks
At 86°F (30°C)
At 104°F (40°C)
At 140°F (60°C)
At 158°F (70°C)
At 203°F (95°C)
At 221°F (105°C)
Steam generator Thermistor
Test Points
(1) to (2)
Result
(tolerance ±5%)
39.5 k
Ω
26.1 k
Ω
12.1 k
Ω
8.5 k
Ω
3.8 k
Ω
2.8 k
Ω
2.1 k
Ω
1.4 k
Ω
1.0 k
Ω
0.7 k
Ω
0.4 k
Ω
Remarks
At 86°F (30°C)
At 104°F (40°C)
At 140°F (60°C)
At 158°F (70°C)
At 203°F (95°C)
At 221°F (105°C)
At 241°F (116°C)
At 266°F (130°C)
At 293°F (145°C)
At 320°F (160°C)
At 356°F (180°C)
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