Display
Title
code
Incorrect checksum of out-
60
door unit PCB EEPROM
WARNING
Before checking PCB or each outdoor electric parts, wait for 3 minutes after the power is off. When measuring at standby state
of power supply, after checking the measurement mode of the meter, be careful of the short-circuits with other parts.
• Inspecting Outdoor EEPROM Assembly Status
1. Check the consistency of the EEPROM s direction
inserted in the PCB and the EEPROM marking.
Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Cause of error
• Outdoor unit PCB
EEPROM misapplied
• Outdoor unit PCB
EEPROM poor assmbly
Yes
Replace EEPROM
Check point & Normal condition
- 71 -
Part 5. Trouble Shooting
EEPROM assembly
<EEPROM Direction Check Point>
LGE Internal Use Only