Troubleshooting steps
Check sensor connections, test sensor resistance
HVAC Error Codes
Carrier E72 Error
Indoor temperature sensor fault
Details
Carrier E72 error indicates indoor temperature sensor fault. Sensor disconnected, wiring fault. Check sensor connections, test sensor resistance.
Error typeerror
MeaningIndoor temperature sensor fault
Typical causesSensor disconnected, wiring fault
SolutionsCheck sensor connections, test sensor resistance
Severitymedium
Catalog references
Where this appears
CarrierE72
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FAQ
Common questions
What causes E72 error?
Sensor disconnected, wiring fault
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