NR-BX418/NR-BX468/NR-BX41B/NR-BX46B
5.2 Protection for compressor locked
SYSTEM PROTECT CONTROL CYCLE
1st time
SYSTEM PROTECT CONTROL CYCLE
333rd time
STOP COMPRESSOR
1
2
3
4
5
7
8
6
YES
YES
YES
NO
NO
NO
• After starting 2 sec., does IC detect
rpm < 5r/sec.?
• After starting from 2-10 sec., does PCB
detect rpm over 120r/sec.?
IC orders to stop compressor for 10 min.
• Normal operating.
After 1 hour.
IC cancels to stop compressor after 10 min.
Does system protection cycle for 333 times?
IC order to stop compressor completely.
After restarting, does “Stop compressor”
occure 10 times within 2 min.?
IC cancels to stop compressor.
Normal operating?
• IC continues to stop compressor until 1 hour.
• IC indicates Self Diagnosing sign.
OPERATE each 7min X 10 times COMPRESSOR 1hour STOP OPERATE each 7min X 10 times
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