Troubleshooting steps
Check sensor connections verify sensor operation test sensor replace if faulty
HVAC Error Codes
E6 – Outdoor temperature sensor
Outdoor temperature sensor fault
Details
Outdoor temperature sensor is not reading correctly or has failed.
Error typeerror
MeaningTemperature sensor fault
Typical causesSensor disconnected sensor fault wiring fault
SolutionsCheck sensor connections verify sensor operation test sensor replace if faulty
Severitymedium
Catalog references
Where this appears
LennoxE6
Utilities
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FAQ
Common questions
What is outdoor temperature sensor?
Outdoor temperature sensor measures outside air temperature for system operation.
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