LG LBC24360ST Service Manual - Page 51

LED seven- time repetiton IPM Fault Trip

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No LED operating condition LED two - time repetiton (Stroke Trip) 1 on - on - off - on - on - off - on - on - off repeating Cause Service guideline 1. Please check, Whether PCB Parts defect or Compress or Connector miss connecting (Piston over run) connector of compressor is attached rightly or not. after power off 2. After the first action, You check on normal operation of compressor. 3. If the same symptom arises after the second action, replace PCB LED five - time repetiton (Piston Lock Trip) 2 on - on - on - on - on - off - on - on - on - on - on - off repeating Piston constraint 1. After resetting power, check if it is running normal 2. If the same symptom arises after the first action 3. If the same symptom arises after the second action, replace compressor LED six - time repetiton (Current Trip) Circuit over 3 current error on - on - on - on - on - on - off - on - on - on - on - on - on - off repeating Or cycle error 1. After resetting power, check if it is running normal 2. If the same symptom arises after the first action 3. If the same symptom arises after the second action, replace compressor 1. After resetting power, 4 LED seven- time repetiton (IPM Fault Trip) on - on -on - on -on - on -on - off - on - o-non - on -on - on- on - off PCB parts defect (IPM) repeating check if it is running normal 2. If the same symptom arises after the first action, replace PCB 51

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LED two - time
repetiton (Stroke Trip)
on
-
on
- off -
on
-
on
- off -
on
-
on
- off
repeating
PCB Parts
defect or
Compress
or
Connector
miss
connecting
(Piston
over run)
1. Please check, Whether
connector of
compressor is attached
rightly or not.
after
power off
2. After the first action,
You check on normal
operation of
compressor.
3. If the same symptom
arises after the second
action, replace PCB
Piston
constraint
1. After resetting power,
check if it is running
normal
2. If the same symptom
arises after the first
action
3. If the same symptom
arises after the second
action, replace
compressor
Circuit
over
current
error
Or cycle
error
1. After resetting power,
check if it is running
normal
2. If the same symptom
arises after the first
action
3. If the same symptom
arises after the second
action, replace
compressor
PCB parts
defect
(IPM)
1. After resetting power,
check if it is running
normal
2. If the same symptom
arises after the first
action, replace PCB
1
LED five - time repetiton (Piston Lock Trip)
on
-
on
-
on
-
on
-
on
- off -
on
-
on
-
on
-
on
-
on
- off
repeating
repeating
repeating
2
LED six - time
repetiton (Current Trip)
on
-
on
-
on
-
on
-
on
-
on
- off -
on
-
on
-
on
-
on
-
on
-
on
- off
3
4
LED seven- time repetiton (IPM Fault Trip)
on
-
on
-
on
-
on
-
on
-
on
-
on
- off -
on
-
on
-
on
-
on
-
on
-
on
-
on
- off
No
LED operating condition
Cause
Service guideline
51