Table of Contents
Advertisement
Part 5. Trouble Shooting
Display
Title
code
AC Input current is higher
22
than the limit.
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.
Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Cause of error
• Input voltage error(low
voltage)
• Over load operation
(Outdoor fan constraint,
screened, blocked)
• Burned parts inside PCB
- 58 -
Check point & Normal condition
• Check input voltage
• Check outdoor fan canstraint / screened / flow
structure
• Check PCB current sensor parts
5V_GND
5V_GND
5V_GND
DC_LINK
LGE Internal Use Only
Hide quick links:
Advertisement
Chapters
Table of Contents
Troubleshooting
