Main Parts Check - Midea MUBU-12HRFN1-M Service Manual

16.4 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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