14. Checking components
60 SS-SVM001A-EM
14.2 Check parts unit
1. Outdoor unit fan motor
DC motor
36K: ZWK511B51102
48K/60K: SIC-71FW-F8121-1
2. Compressor
Compressor examination and repairing
36K: KTM310D85UMT
48K/60K: ATF400D64UMT
Test in resistance.
TOOL: Multi-meter.
Test the resistance of the winding. The compressofar ils if the resistance of windin gis 0
(short circuit)or∞(open circuit).
Familiar error:
1) Compressor motor lock.
2) Discharge pressure value approaches static pressure value.
3) Compressor motor winding abnormality.
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