Panasonic CS-XE9PKUA - Manual (Page 59)

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15.4.5 H16 (Outdoor Current Transformer)
Malfunction Decision Conditions
š An input current, detected by Current Transformer CT, is below threshold value when the compressor is
operating at certain frequency value for 3 minutes.
Malfunction Caused
š Lack of gas
š Broken CT (current transformer)
š Broken Outdoor PCB
Troubleshooting