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B7. LED Blinks eight times, then repeats (Communication Error)
Blink BlinkBlink Blink Blink Blink Blink OFF
Protection
logic
Check
Blink 8 times
(Communication Error) Check B7
Check Comp. Starting
When C-Fan doesn't work
Y
N
Repeat
Check Procedure
Replace
Driver PCB
Reset
Power
- Purpose: To detect Set control Micom and communication error
- Cause : Communication Error
- Logic : LED blink. (Compressor runs reference value before occuring communication Error)
Blink
2. Check whether or not C-Fan Works
1. Check Temp.&Sound Pressure
of comp and D-pipe
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