Panasonic air conditioner error code h11

panasonic air conditioner error code h11

H11 (Indoor/Outdoor Abnormal Communication)

Malfunction Decision Conditions

During startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal.

  • Malfunction Caused
  • Faulty indoor unit PCB.
  • Faulty outdoor unit PCB.
  • Indoor unit-outdoor unit signal transmission error due to wrong wiring.
  • Indoor unit-outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor
  • Indoor unit-outdoor unit signal transmission error due to disturbed power supply waveform.