Panasonic CS-E7PKR Service Manual page 117

16.4.5 H16 (Outdoor Current Transformer)
Malfunction Decision Conditions

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

Lack of gas

Broken CT (current transformer)

Broken Outdoor PCB
Troubleshooting
Note: Some error code might not applicable for this model.
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