Troubleshooting steps
Check coil sensor wiring; test sensor
HVAC Error Codes
Trane E3 Error
Indoor coil temperature sensor fault
Details
Trane E3 error indicates a problem with the indoor coil temperature sensor.
Error typeSensor Fault
Typical causesFaulty coil sensor; wiring problem
SolutionsCheck coil sensor wiring; test sensor
SeverityMedium
Catalog references
Where this appears
TraneE3
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