ACiQ Condenser Error Code EC 55

Outdoor IPM Module Temperature Sensor Fault

The condenser's Intelligent Power Module is reading that conditions are unsafe for the unit to continue to operate.

Error at Start Up or During Normal Operation

  • Disconnect the unit from power and reconnect it and start up the unit after 5 minutes.
  • Check inside the condenser and confirm that no wires have come loose during normal operation. Reconnect any wiring harnesses that have come loose.
  • If the problem persists, reach out to the manufacturer for additional troubleshooting or part replacement.