H5

IPM Protection

Description

The outdoor unit's Intelligent Power Module (IPM) has triggered a protective shutdown due to overcurrent, overheating, or a short circuit in the inverter drive.

Appliance Error Codes Details

Error Code
H5
Error Name
IPM Protection
Appliance Type
air_conditioner
Brand
Carrier
Severity
high

Additional Troubleshooting

1. Power cycle the unit
2. Ensure the outdoor unit has adequate ventilation and is not covered
3. Contact service for inverter board inspection and testing

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Verified by: Pavel Volkov
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Last updated:
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