H3

Compressor Overheat Protection

Description

The compressor has exceeded its safe operating temperature, and the system has shut it down to prevent permanent damage.

Appliance Error Codes Details

Error Code
H3
Error Name
Compressor Overheat Protection
Appliance Type
air_conditioner
Brand
Carrier
Severity
high

Additional Troubleshooting

1. Turn off the unit and allow it to cool for at least 30 minutes
2. Check refrigerant charge and airflow across the outdoor coil
3. Clean the outdoor condenser coil if dirty
4. Contact service for compressor diagnostics

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Verified by: Pavel Volkov
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Last updated:
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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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