Main Parts Check; Temperature Sensor Checking - KOREL M2OC-18HFN8-Q Service Manual

10.4 Main parts check

1. Temperature sensor checking

Disconnect the temperature sensor from PCB, measure the resistance value with a tester.
Temperature Sensors.
Room temperature(T1) sensor,
Indoor coil temperature(T2) sensor,
Outdoor coil temperature(T3) sensor,
Outdoor ambient temperature(T4) sensor,
Compressor discharge temperature(T5) sensor.
Measure the resistance value of each winding by using the multi-meter.
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