Troubleshooting Heat Pump Compressors
Residential heat pumps use hermetic compressors with the motor, pump, and related components sealed inside a welded housing. A failed hermetic compressor must be replaced. It cannot be repaired on-site. The troubleshooting symptoms in Table 10-2 may be used to identify some of the more common compressor problems.
Caution
Do not continue to operate a heat pump under the following con ditions: fan motor not working, low refrigerant charge, or excessive frost/ice buildup. Continuing to run the heat pump under these conditions can burn out the compressor motor.
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