Panasonic S-22KA1E5S Service Manual page 211

Ka1e5 series, ya1e5 series, ua1e5 series, na1e5 series, ma1e5 series,
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18.2.10 Total Quantity & Capacity of Connected Indoor Unit Abnormality (F30-01)
Malfunction Decision Conditions
The total quantity & capacity of connected indoor units are used to determine abnormal system connectivity.
Malfunction Caused
No power supply to indoor unit.
Wrong total number (max. & min.) of connected indoor unit.
Wrong total capacity (max. & min.) of connected indoor unit.
Wrong indoor unit and outdoor unit address settings.
Indoor-outdoor signal transmission error due to breaking of U1 & U2.
Faulty outdoor unit PCB (main).
Troubleshooting
211

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