Panasonic CS-XE9PKUA Remark, Malfunction Decision Conditions, Malfunction Caused, Troubleshooting

Models: CU-XE12PKUA CU-XE9PKUA CS-XE9PKUA CS-XE12PKUA

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Remark:

15.4.19 F17 (Indoor Standby Units Freezing Abnormality)

Malfunction Decision Conditions

šWhen the different between indoor intake air temperature and indoor pipe temperature is above 50°F (10°C) or indoor pipe temperature is below 30.2°F (-1.0°C).

Remark:

When the indoor standby unit is freezing, the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit(s).

Malfunction Caused

šWrong wiring connection

šFaulty sensor

šFaulty expansion valve

Troubleshooting

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Image 73
Panasonic CS-XE9PKUA, CS-XE12PKUA, CU-XE9PKUA Remark, Malfunction Decision Conditions, Malfunction Caused, Troubleshooting