Panasonic CS-E7PKR - Self-Diagnosis Method

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16.4 Self-diagnosis Method
16.4.1 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 wiring error.
 Indoor unit-outdoor unit signal transmission error due to breaking of wire in the connection wires between the
 indoor and outdoor units.
Troubleshooting
Note: Some error code might not applicable for this model.