Panasonic CS-E24JKDS / CU-E24JKD / CS-E28JKDS / CU-E28JKD / CS-XE24JKDS / CU-XE24JKD Service Manual ▷ View online
73
15.5.12. 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.
• Faulty sensor.
• Faulty PCB.
Troubleshooting
74
15.5.13. 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.
• Wrong indoor unit and outdoor unit PCBs used.
• Indoor unit or outdoor unit PCB defective.
Troubleshooting
75
15.5.14. 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.
• Faulty sensor.
• Faulty PCB.
Troubleshooting
76
15.5.15. 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.
• Faulty sensor.
• Faulty PCB.
Troubleshooting
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