E1

High Pressure Protection

Description

The system has shut down due to excessively high pressure.

Appliance Error Codes Details

Error Code
E1
Error Name
High Pressure Protection
Appliance Type
air_conditioner
Brand
Carrier
Severity
high

Additional Troubleshooting

1. Check for blocked airflow (filters, coils)
2. Ensure outdoor unit fan is working
3. Contact service for pressure switch and refrigerant level check

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Information verified against official sources

Official Sources

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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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