LG LFXS30726S Service Manual page 85

B3. LED blinks three times, then repeats (Stroke Trip)
Blink Blink OFF Blink Blink Blink
Blink
- Purpose : Prevent over voltage and current detecting connecting error.
- Cause : -.Connecting error of PCB and Comp, Capacitor harness -. Comp insulation damage.
- Logic : Compressor is forced off and tries to restart within 40 seconds.
Protection
logic
(No Connect Trip) Check B3
Check B
Y
Replace
Driver PCB
N
Repeat
Check Procedure
OFF
Blink 3 times
Y
Compressor
Doesn't work
N
Reset
No Connect Trip
Power
occur?
- 85 -
N
Fix Harness
Y
Harness
Connecting
Check C
Protection Logic
Compressor
N
Damage Replace
Check C Compressor
Y