LG CT18F NQ0 - Page 92

Part 4 Trouble Shooting
- 92 -
Copyright © 2019 - 2020 LG Electronics Inc.
All rights reserved. Only training and service purposes.
DC Link Detection Circuit Check PointDivision
2 kW
4 kW
4.5kW
■ DC Link Detection Circuit Check Point
Red
Black
GNDGND
DC_LINKDC_LINK
GND
DC_ Link
1. Check DC Link Sensing Signal measurements at Power-on standby state. (DC
2.4 ~ 2.8 V)