Fehlercodes: H03_Mini_ECOi

Compressor CT Sensor (Current Sensor) Unplugged

1. Error Detection Method

It is judged an error based on the criteria listed below.

  • If 18A or greater is detected when the compressor is stopped (alarm triggered even if the connector is unplugged).
  • If no current is detected even though a compressor is running.

2. Error Diagnosis

Check the control PC board

1-1 Turn the power on again and run the outdoor unit.
Is alarm occurred after operation?
Yes Replace CR board.
No See what happens.