LG LFX28968D Service Manual page 85

No
LED two - time repetiton (Stroke Trip)
1
on - on - off - on -
● ●
LED five - time repetiton (Piston Lock Trip)
2
on - on - on - on -
● ●
LED six - time repetiton (Current Trip)
3
on - on - on - on -
● ● ● ●
LED seven- time repetiton (IPM Fault Trip)
4
on - on - on - on - on
● ● ● ●
LED once repetiton (FCT0 Trip)
5
** on - off - on - off - on
LED operating condition
on - off - on - on - off repeating
● ●
on - off - on - on - on - on
on - on - off - on - on - on -
- on - on - off - on - on -on - on
- off - on - off ** repeating
- on - off repeating
● ●
on - on - on - off repeating
● ● ● ●
- on - on- on - off repeating
● ● ● ●
- 40 -
Cause Service guideline
1. Please check, Whether
connector of
PCB Parts
compressor is attached
defect or
rightly or not. after
Compress
power off
or
2. After the first action,
Connector
You check on normal
miss
operation of
connecting
compressor.
(Piston
3. If the same symptom
over run)
arises after the second
action, replace PCB
1. After resetting power,
check if it is running
normal
2. If the same symptom
arises after the first
Piston
constraint action
3. If the same symptom
arises after the second
action, replace
compressor
1. After resetting power,
check if it is running
normal
Circuit
2. If the same symptom
over
arises after the first
current
action
error
3. If the same symptom
Or cycle
arises after the second
error
action, replace
compressor
1. After resetting power,
check if it is running
PCB parts
normal
defect
2. If the same symptom
(IPM)
arises after the first
action, replace PCB
1. After resetting
power,check if it is
running normal.
PCB
2. If the same symptom
parts defect
arises after the
(Motor
first action
current &
3. If the same symptom
Capacitor
arises after the
Voltage)
second action,replace
PCB