Delta VP3000 Series - Page 513

Chapter 8 Troubleshooting｜VP3000
504
ID No.
Fault Name
Descriptions
13
Low voltage at constant
speed (Lvn)
DC bus voltage is lower than Pr. H1-02 setting value at constant speed
Action and Reset
Action Condition
Pr. H1-02 (Default = depending on the models)
Action Time
Immediately act when DC bus voltage is lower than Pr. H1-02
Fault Treatment Parameter
No
Reset Method
Manual 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
Yes
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.
Sudden load
Reduce the load.
Enlarge the drive capacity.