Carrier · Energy Recovery Ventilators
This fault relates to the induced draft motor. If the heat is off, there will be no gas heating. If heat is on, the gas valve will be off and the inducer will be on.
Click steps to track your progress.
Check the wiring and voltage supply to the induced draft motor.
Inspect the motor's operation.
Verify the speed sensor wiring to the IGC is correct.
Reset the unit's power to clear the fault.