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Model
CS-E7MKDW CU-E7MKD CS-E9MKDW CU-E9MKD CS-E12MKDW CU-E12MKD CS-E15MKDW CU-E15MKD CS-E18MKDW CU-E18MKD
Pages
127
Size
34.19 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner / AIR CONDITIONER
File
cs-e7mkdw-cu-e7mkd-cs-e9mkdw-cu-e9mkd-cs-e12mkdw-c.pdf
Date
PREV: Panasonic CS-HE9MKD / CU-HE9MKD / CS-HE12MKD / CU-HE12MKD Service Manual

Panasonic CS-E7MKDW / CU-E7MKD / CS-E9MKDW / CU-E9MKD / CS-E12MKDW / CU-E12MKD / CS-E15MKDW / CU-E15MKD / CS-E18MKDW / CU-E18MKD Service Manual ▷ View online

89
16.4.11. 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 sen-
sor are used to determine sensor errors.
Malfunction Caused
• Faulty connector connection.
• Faulty sensor.
• Faulty  PCB.
Troubleshooting
90
16.4.12. 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.
Troubleshooting
91
16.4.13. 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.
Troubleshooting
92
16.4.14. 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.
Troubleshooting
Page of 127
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