Troubleshooting steps
Check outdoor sensor wiring; test sensor; replace if needed
HVAC Error Codes
Trane E2 Error
Outdoor air temperature sensor fault
Details
Trane E2 error indicates a problem with the outdoor air temperature sensor.
Error typeSensor Fault
Typical causesFaulty outdoor sensor; wiring issue
SolutionsCheck outdoor sensor wiring; test sensor; replace if needed
SeverityMedium
Catalog references
Where this appears
TraneE2
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