Delta VFD2A7MS43ANSAA

Chapter 14 Fault CodesMS300
560
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
13
Low-voltage at
constant speed
(Lvn)
DC bus voltage is lower than Pr.06-00 setting value at
constant speed
Action and Reset
Action Condition
Pr.06-00 (Default = depending on the model)
Action Time
Immediately act when the DC bus voltage is lower than Pr.06-00
Fault Treatment Parameter
NA
Reset Method
Manual reset
Reset Condition
Reset when the DC bus voltage is higher than Pr.06-00 + 30 V
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.
Increase the capacity of power equipment.
Sudden load
Reduce the load.
Increase the drive capacity.
DC bus
Install DC reactor(s).