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
101
17.4.8 H27 (Outdoor Air Temperature Sensor Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature
sensor are used to determine sensor errors.
Malfunction Caused
Faulty
connector
connection.
Faulty
sensor.
Faulty
PCB.
Troubleshooting
102
17.4.9 H28 (Outdoor Pipe Temperature Sensor Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature
sensor are used to determine sensor errors.
Malfunction Caused
Faulty
connector
connection.
Faulty
sensor.
Faulty
PCB.
Troubleshooting
103
17.4.10 H30 (Compressor Discharge Temperature Sensor Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe
temperature sensor are used to determine sensor errors.
Malfunction Caused
Faulty
connector
connection.
Faulty
sensor.
Faulty
PCB.
Troubleshooting
104
17.4.11 H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the outdoor heat exchanger
temperature sensor are used to determine sensor errors.
Malfunction Caused
Faulty
connector
connection.
Faulty
sensor.
Faulty
PCB.
Troubleshooting
Click on the first or last page to see other 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 manuals if exist.