Carrier · Air Conditioners & Heat Pumps
The current in the Power Factor Correction Module (PFCM) circuits is unbalanced, applicable to 4 and 5 ton models with multiple reactors. The VFD will shut down and attempt to restart.
Click steps to track your progress.
Cycle power to the system by turning off the circuit breaker for 30 seconds and then turning it back on.
Observe if the fault clears and the system resumes normal operation.
If the fault reoccurs, a professional technician should inspect and test the reactors for proper connection and resistance.
If reactors are found to be faulty or disconnected, they will need to be replaced by a qualified technician.