Refrigeration Cycle And Refrigerant - LG LKIM08121V /00 Service Manual

Compressor
Diagnosis Using LED Blinks
LED blinks once
· ·Blink -Off-Blink-Off-Blink-Off-Blink-Off-Blink-Off · · Repeat
LED blinks six times
· · Blink -Blink-Blink-Blink-Blink-Blink-Off-Blink -Blink--Blink-Blink-Blink-Blink-
Off- · · Repeat
LED blinks seven times
· · Blink -Blink-Blink-Blink-Blink-Blink-Blink-Off-Blink -Blink--Blink-Blink-Blink-
Blink-Blink-Off- · · Repeat
LED blinks two times
· · Blink -Blink-Off-Blink-Blink-Off-Blink-Blink-Off · · Repeat
LED operating condition Cause
AD-Offset
Error
Circuit
overcurrent
error
PCB parts
defect
(IPM)
Circuit
overvoltage
error
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reserved. Only training and service purposes.
Service guide
1. Reset the power
and check if it starts
normally
2. Replace PCB if the
problem persists
after step 1
1. Reset the power
and check if it starts
normally
2. Replace PCB if the
problem persists
after step 1
3. If the problem
persists after step 2,
replace COMP
1. Reset the power
and check if it starts
normally
2. Replace PCB if the
problem persists
after step 1
1. Reset the power
and check if it starts
normally
2. Replace PCB if the
problem persists
after step 1