Panasonic NR-CY557G - Protection for Power Supply Droping

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5.3 Protection for power supply droping
• Normal operating.
• IC continues to stop compressor until 1 hour.
• IC indicates Self Diagnosing sign.
• IC continues to stop compressor until 1 hour.
• IC indicates Self Diagnosing sign.
2
IC orders to stop compressor for 10 min.
3
After 10 min., does PCB check power supply
voltage if it is > 180V AC?
1
Does power supply voltage drop as condition
> 0.1 sec. and < 160V AC?
4
IC cancels to stop compressor.
Normal operating?
5
After restarting, does “Stop compressor”
occure 10 times within 2 min?
6
IC cancels to stop compressor.
Normal operating?
7
After 1 hour.
YES
YES
YES
NO
NO
NO
NR-CY54AG_CY557G.indd 9NR-CY54AG_CY557G.indd 9 6/27/2559 BE 4:44 PM6/27/2559 BE 4:44 PM