LG LRSOC2306 Series Service Manual page 7

- Simple Check Flow Chart
LED8 Blinks
LED7 Blinks
LED1 Blinks
Not Cooling
LED4 Blinks
Y
LED
Blinking?
LED5 Blinks
N
LED2 Blinks
Test Mode
1 Input
LED3 Blinks
LED6 Blinks
About 5min
Operation?
Cycle leakage
Test Mode
Reset About 5min
1 Input
Test Mode
About 5min
Reset
1 Input
Test Mode
Reset
About 5min
1 Input
Test Mode
Reset About 5min
1 Input
Test Mode
Reset
About 5min
1 Input
Test Mode
Reset
About 5min
1 Input
Test Mode
Reset
About 5min
1 Input
Test Mode
Reset
About 5min
1 Input
N
Comp.
PCBA Output
> 60V
Y
Y
Check
LED8 Blinks
Replace PCB
LED7 Blinks Replace PCB
LED1 Blinks Replace PCB
LED4 Blinks Replace PCB
Comp.
LED5 Blinks
Operation?
Y
Check
Cycle leakage
Comp.
LED2 Blinks
Operation?
Y
LED3 Blinks
Cycle
Cycle leakage
Comp.
LED6 Blinks
Operation?
Y
N
Replace PCB Check
Cycle leakage
Check the Comp.
* Transmits LED blinking number to PDA after completing action
-7-
LED Trip Information
1 Current/Voltage Sensing Error
2 Over Stroke
3 Comp Connection Error
4 Over Voltage Error
5 Comp Lock Error
6 Over Current Error
7 IPM Error
8 Communication Error
N
Check Comp. Replace PCB
N
N
Harness
PCBA Output
wiring?
Y Y
Check Comp.
Repair Harness
N N
PCBA Output
Replace PCB
> 60V
Y
Check Comp.
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N
> 60V?