Error code reference

Carrier HVAC Error Codes

11 error codes documented with diagnostic procedures.

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16System communication fault 25Invalid motor / model selection 26Invalid heater size 27Invalid outdoor unit size 36Heater output not sensed when energized 37Heater output sensed on when not energized 41Blower motor fault 44Motor communication fault 45Control board test fault 46Brownout condition 53Outdoor air temperature sensor fault

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