Delta MS300 Series User Manual page 570

ID Display on LCD Keypad
14
Action Condition
Action Time
Fault Treatment Parameter
Reset Method
Reset Condition
Record
Cause
Power-off
Incorrect drive models
Power voltage changes
Start up the motor with large
capacity
DC bus
Fault Name
Low-voltage at stop
(LvS)
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 / Auto:
230V series: Lv level + 30 V
460V series: Lv level + 60 V
575V series: Lv level + 75 V
500 ms
Yes
Improve power supply condition.
Check if the power specification matches the drive.
Adjust voltage to the power range of the drive.
Cycle the power after checking the power. If LvS error still exists, return to the
factory for repair.
Check the power system.
Increase the capacity of power equipment.
Install DC reactor(s).
561
Fault Descriptions
1. DC bus voltage is lower than Pr.06-00 setting value
at stop
2. Hardware failure in voltage detection
+ 500 ms
DC
+ 500 ms
DC
+ 500 ms
DC
Corrective Actions
Chapter 14 Fault CodesMS300