SG-38MARB-01 Specifications subject to change without notice. 61
Main Parts Check
1. Temperature sensor checking
Disconnect the temperature sensor from PCB, measure the resistance value with a tester.
Fig. 49 —Tester
Temperature sensors
• Room temp. (T1) sensor,
• Indoor coil temp. (T2) sensor,
• Outdoor coil temp. (T3) sensor,
• Outdoor ambient temp. (T4) sensor,
• Compressor discharge temp. (T5) sensor.
• Measure the resistance value of each winding by using the multi-meter.
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