If my Carrier HVAC displays error code 'H1', what are the common issues?

By: USER4838
28 Agustus 2025 Support 5 minutes
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Grade: Education Subject: Support
If my Carrier HVAC displays error code 'H1', what are the common issues?
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The error code 'H1' on a Carrier HVAC system generally relates to 'High Temperature' or an 'Overheating' condition. This can occur if the return air filter is severely clogged, reducing airflow, or if the blower motor is not operating at the correct speed or is malfunctioning. It could also indicate a problem with the high-limit safety switch.
Answered on 28 Agustus 2025

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