Troubleshooting steps
Clean condenser coil, check airflow, verify refrigerant charge
HVAC Error Codes
Carrier E29 Error
High pressure switch open
Details
Carrier E29 error indicates high pressure switch open. Dirty condenser, restricted airflow, overcharge. Clean condenser coil, check airflow, verify refrigerant charge.
Error typeerror
MeaningHigh pressure switch open
Typical causesDirty condenser, restricted airflow, overcharge
SolutionsClean condenser coil, check airflow, verify refrigerant charge
Severityhigh
Catalog references
Where this appears
CarrierE29
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What causes E29 error?
Dirty condenser, restricted airflow, overcharge
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