Compressor Service Manual; Simple Verification Order - LG LTNS16121V /00 Service Manual

5.2 COMPRESSOR SERVICE MANUAL

1. Check LED
Remove the PCB cover and check the number of blinks that are on the LED.
Verify the actions for each number of LED blinking
Write the service information according to the quantity of LED blinking.
Write the service information and check again after power reset.
Refer to the actions for each number of LED blinking.

5.3 SIMPLE VERIFICATION ORDER

Check again
Reset
There's
Is LED
no cold
blinking?
air
No
Check when it is not RESET (before turning off the refrigerator).
LED blinks 1 time
LED blinks 7 times
Yes
LED is bliking
6 times
Is compressor
working?
Yes
Yes
Heavy repair
Leakage
Check
again
LED blinks 1 time
Reset
Reset LED blinks 7 times
LED is bliking
Reset
6 times
Heavy repair
No
No
IPM Output
>
80V-20%
Yes
No
Check
Compressor
(Check C)
No
16
Replace
main PCB
Replace
main PCB
No
Is compressor
Compressor
working?
(Check C)
Yes
Yes
Leakage
Compressor
No
Check
again
Replace
main PCB
Check
No
Replace