LG LTCS20020 Series Service Manual page 12

Compressor SVC Manual
1. Check LED Trip
1. Separate PCB COVER, and check number of LED blinking.
2. Verify the actions for each number of blinking
refrigerator).
3. Write the service information according to the number of LED blinking.
4. Write SVC information, and check again after power reset.
Refer to the actions for each number of Trip and LED blinking
Simple Check order
Check again
Reset
LED
No cold
Blinking?
air?
Check when it is not RESET(Before turning off the power of the
LED blinks 1 time Reset
LED blinks 7 times Reset
LED blinks 6
times
Is Comp in
operation?
Heavy repair Leakage?
12
LED blinks 1 time
LED blinks 7 times
LED blinks 6 Is Comp in
times operation?
Heavy repair
Leakage?
Check again
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Replace PCB
Replace PCB
Check
Comp.
(Check C)
Replace
Comp.
Check again
Replace PCB
Check Comp.
(Check C)
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