Table of Contents
Advertisement
Display
Title
code
23
DC Link High / Low Volt
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.
Yes
Recheck power and
installation condition
Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Cause of error
• DC Link Voltage is above
420Vdc
• DC Link Voltage is below
140Vdc
- 59 -
Part 5. Trouble Shooting
Check point & Normal condition
• Check Input Voltage
• Check PCB DC Link voltage sensor parts
5V_GND
5V_GND
5V_GND
DC_LINK
LGE Internal Use Only
- Quick Links:
- Installation Functions
Hide quick links:
Advertisement
Chapters
Table of Contents
Troubleshooting
