Panasonic WH-MXC16G9E8 Service Manual ▷ View online
119
16.5.27 Outdoor High Pressure Switch Abnormal (F27)
Malfunction Decision Conditions:
During compressor stop, and outdoor high pressure switch is remain opened.
Malfunction Caused:
1. Faulty connector connection.
2. Faulty switch.
3. Faulty outdoor unit PCB (main).
2. Faulty switch.
3. Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue for 1 minute.
120
16.5.28 Indoor Water Outlet Temperature Sensor 2 Abnormality (F30)
Malfunction Decision Conditions:
During startup and operation of cooling and heating, the temperatures detected by the indoor water outlet
temperature sensor 2 are used to determine sensor error.
temperature sensor 2 are used to determine sensor error.
Malfunction Caused:
1. Faulty connector connection.
2. Faulty sensor.
3. Faulty indoor unit PCB.
2. Faulty sensor.
3. Faulty indoor unit PCB.
Abnormality Judgment:
Continue for 5 seconds.
121
16.5.29 Outdoor Air Temperature Sensor Abnormality (F36)
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 error.
sensor are used to determine sensor error.
Malfunction Caused:
1. Faulty connector connection.
2. Faulty sensor.
3. Faulty outdoor unit PCB (main).
2. Faulty sensor.
3. Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
122
16.5.30 Indoor Water Inlet Temperature Sensor Abnormality (F37)
Malfunction Decision Conditions:
During startup and operation of cooling and heating, the temperatures detected by the indoor water inlet
temperature sensor are used to determine sensor error.
temperature sensor are used to determine sensor error.
Malfunction Caused:
1. Faulty connector connection.
2. Faulty sensor.
3. Faulty indoor unit PCB (main).
2. Faulty sensor.
3. Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
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