Delta MS300 Series User Manual page 567

Chapter 14 Fault CodesMS300
ID Display on LCD Keypad
11
Action Condition
Action Time
Fault Treatment Parameter
Reset Method
Reset Condition
Record
Cause
Power-off
Power voltage changes
Start up the motor with large
capacity
The load is too large
DC bus
Check if there is short circuit plate
or any DC reactor installed
between terminal +1 and +2
Fault Name
Low-voltage during
acceleration
(LvA)
Action and Reset
Pr.06-00 (Default = depending on the model)
Immediately act when the DC bus voltage is lower than Pr.06-00
N/A
Manual reset
Reset when the DC bus voltage is higher than Pr.06-00 + 30 V
Yes
Improve power supply condition.
Adjust voltage to the power range of the drive
Check the power system.
Increase the capacity of power equipment.
Reduce the load.
Increase the drive capacity.
Increase the acceleration time.
Install DC reactor(s).
Connect short circuit plate or DC reactor between terminal +1 and +2.
If the error still exists, return to the factory for repair.
558
Fault Descriptions
DC bus voltage is lower than Pr.06-00 setting value
during acceleration
Corrective Actions