P7

Heat Sink Temperature Sensor Malfunction

Description

The temperature sensor monitoring the inverter driver's heat sink has an open or short circuit.

Appliance Error Codes Details

Error Code
P7
Error Name
Heat Sink Temperature Sensor Malfunction
Appliance Type
air_conditioner
Brand
Carrier
Severity
medium

Additional Troubleshooting

1. Power cycle the unit
2. Contact service to check the sensor wiring and resistance
3. Replace the sensor if it is confirmed faulty

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Verified by: Pavel Volkov
Created:
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Information verified against official sources

Official Sources

Official Manufacturer Service Manuals

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Original equipment manufacturers official documentation

Industry Standards Organizations

International standards for electrical appliances and error codes

International Electrotechnical Commission standards

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