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ACiQ Condenser Error Code EC 5C

High Pressure Sensor is in Open Circuit or Has Short Circuit

The refrigerant pressure is too high or there is a short circuit at the pressure sensor.

Error at Start Up or During Normal Operation

  • Confirm that the correct amount of refrigerant is in the system and check for leaks.
  • Make sure the temperature sensor is connected to the control board in the condenser. If the wiring harness is disconnected, reconnect it.
  • If the problem persists, reach out to the manufacturer for additional troubleshooting or part replacement.