LG TD-C70070E - Thermostat, Thermistor, and Heater Testing; Motor and Pump Testing

15
COMPONENT TESTING TIPS
7
Component Test procedure Check result Remark
1. Thermostat
(Manual type)
Measure resistance of
Terminal to terminal
1) Open at 170°C (-10/+5°C)
Measure resistance of
terminal to terminal
Measure resistance of
Terminal to terminal
Measure resistance of
therminal to terminal
Measure resistance of
Terminal to terminal
Measure resistance of
Terminal to terminal
Measure resistance by pressing
button When resistance becomes ∞
Resistance value < 5Ω
Safety
Thermostat
Cover, Front
Heater
Resistance value :
10KΩ 5% (at 25°C)
Resistance value :
Yellow/White : 28.96 1Ω
Blue/White : 56.29 2Ω
Resistance value :
200KΩ 5% (at 25°C)
Resistance value :
White/Blue : 24.8 2.5Ω
Blue/Red : 21.5 2.0Ω
Resistance value :
205±10Ω
3. Heater,
Thermistor
4. Motor
6. Pump
2. Thermistor
(Low temperature )
Thermistor