ACiQ Air Handler Error Code PC 02

High Ambient Temperature Protection and/or High Pressure Protection

The outdoor temperature and/or refrigerant pressure is too high for the unit to continue to operate.

Error at Start Up and Error During Normal Operation

  • Check the outdoor temperature with an independent thermometer. If the temperature is higher than the rated maximum temperature for your unit to operate, the unit will not turn on.
  • If the outdoor temperature is lower than the maximum rated temperature, reach out to the manufacturer for additional troubleshooting or part replacement.