Panasonic CS-E21NKR Service Manual

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16.4.21 F17 (Indoor Standby Units Freezing Abnormality)
Malfunction Decision Conditions
 When the different between indoor intake air temperature and indoor pipe temperature is above 10°C or indoor
pipe temperature is below -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
 Wrong wiring connection
 Faulty sensor
 Faulty expansion valve
Troubleshooting

Panasonic CS-E21NKR Specifications

General

Brand	Panasonic
Model	CS-E21NKR
Category	Air Conditioner
Language	English