Troubleshooting steps
Clean condenser; check airflow; verify charge
HVAC Error Codes
Daikin E3 Error
High pressure switch open
Details
Daikin E3 error indicates the high pressure switch has opened due to excessive pressure.
Error typeSafety Switch
Typical causesDirty condenser; restricted airflow; overcharge
SolutionsClean condenser; check airflow; verify charge
SeverityHigh
Catalog references
Where this appears
DaikinE3
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