Protection For Power Supply Droping - Panasonic NR-CY54AG Service Manual

5.3 Protection for power supply droping

Does power supply voltage drop as condition
1
> 0.1 sec. and < 160V AC?
2 IC orders to stop compressor for 10 min.
After 10 min., does PCB check power supply
3
voltage if it is > 180V AC?
IC cancels to stop compressor.
4
Normal operating?
After restarting, does "Stop compressor"
5
occure 10 times within 2 min?
IC cancels to stop compressor.
6
Normal operating?
YES
YES
NO
NO
• Normal operating.
NO
• IC continues to stop compressor until 1 hour.
• IC indicates Self Diagnosing sign.
YES
• IC continues to stop compressor until 1 hour.
• IC indicates Self Diagnosing sign.
7
After 1 hour.
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