Delta VP3000 Series - Page 436

Chapter 8 Troubleshooting｜VP3000
427
ID No.
Warning Name
Descriptions
34
Low voltage
(LV)
Before the AC motor drive operates, it detects that the DC bus voltage is lower
than Pr. H1-02 setting value
Action and Reset
Action Condition
DC bus voltage is lower than Pr. H1-02 setting value
Action Time
Immediately act when DC bus voltage is lower than Pr. H1-02
Warning Setting Parameter
N/A
Reset Method
Auto-reset
Reset Condition
It can be reset after the DC bus voltage exceeds the following voltage.
460V models: Pr. H1-02 + 60 V
DC
Record
No
Cause
Corrective Actions
Power-off
Improve power supply condition.
Power voltage changes
Adjust voltage to the power range of the drive.
Start up the motor with large
capacity
Check the power system.
Enlarge the capacity of power equipment.
The load is too large
Reduce the load.
Enlarge the drive capacity.