LG Multi-Inverter Service Manual page 66

Display
Title
code
DC Link
23
Low voltage.
DC Link
28
High voltage
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Only for training and service purposes
Cause of error
• DC link volt. is
140Vdc¡é .
• DC link volt. is
420Vdc¡è .
V
Check point & Normal condition
• Check the power source.
• Check the components.
• Check the power source.
• Check the components.
Check Point
1. Check the power source.
2. Check the components
(B/Diode, Reactor, PSC Parts )
- 65 -
4. Trouble Shooting
LGE Internal Use Only