LG LFXS29626 series - Page 80

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