Panasonic WH-SDC03H3E5 Service Manual page 190
Air-to-water heatpump
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Also See for WH-SDC03H3E5:
- Menu manual (88 pages) ,
- Operating instructions manual (108 pages) ,
- Service manual (30 pages)
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16.5.45 Outdoor Current Transformer Open Circuit (F46)
Malfunction Decision Conditions:
A current transformer (CT) open circuit is detected by checking the compressor running frequency ( rated
frequency) and CT detected input current (< 0.65 A) for continuously 20 seconds.
Malfunction Caused:
1
CT defective.
2
Faulty outdoor unit PCB (main).
3
Compressor defective (low compression).
Abnormality Judgment:
Continue 3 times in 20 minutes.
190
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