Panasonic CS-E7PKDW / CS-E9PKDW / CS-E12PKDW / CS-E15PKDW / CS-E18PKDW / CS-E24PKDW / CU-E7PKD / CU-E9PKD / CU-E12PKD / CU-E15PKD / CU-E18PKD / CU-E24PKD Service Manual ▷ View online
105
17.4.12 H33 (Unspecified Voltage between Indoor and Outdoor)
Malfunction Decision Conditions
The supply power is detected for its requirement by the indoor/outdoor transmission.
Malfunction Caused
Wrong models interconnected.
Wrong indoor unit and outdoor unit PCBs used.
Indoor unit or outdoor unit PCB defective.
Troubleshooting
106
17.4.13 H34 (Outdoor Heat Sink Temperature Sensor Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the outdoor heat sink
temperature sensor are used to determine sensor errors.
Malfunction Caused
Faulty
connector
connection.
Faulty
sensor.
Faulty
PCB.
Troubleshooting
107
17.4.14 H36 (Outdoor Gas Pipe Sensor Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the outdoor gas pipe
temperature sensor are used to determine sensor errors.
Malfunction Caused
Faulty
connector
connection.
Faulty
sensor.
Faulty
PCB.
Troubleshooting
108
17.4.15 H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the outdoor liquid pipe
temperature sensor are used to determine sensor errors.
Malfunction Caused
Faulty
connector
connection.
Faulty
sensor.
Faulty
PCB.
Troubleshooting
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