Panasonic CS-S9MKQ Service Manual page 93

15.4.5 H16 (Outdoor Current Transformer Open Circuit)
Malfunction Decision Conditions
•
A current transformer (CT) is detected by checking the compressor running frequency (≥ rated frequency) and
CT detected input current (less than 1.14A) for continuously 20 seconds.
Malfunction Caused
•
CT defective
•
Outdoor PCB defective
•
Compressor defective (low compression)
Troubleshooting
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