48
Main parks check
1 Temperature sensor checking
Disconnect the temperature sensor from PCB, measure the resistance value with a tester.
Fig. 48 – Tester
Temperature sensors.
S Room temp.
S (T1) sensor, Indoor coil temp.
S (T2) sensor, Outdoor coil temp.
S (T3) sensor, Outdoor ambient temp.
S (T4) sensor, Compressor discharge temp.
S (T5) sensor. Measure the resistance value of each winding by using the multi- meter.
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