Delta VFD1A5MS43ANSAA User Manual

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

Delta VFD1A5MS43ANSAA Specifications

General

Brand	Delta
Model	VFD1A5MS43ANSAA
Category	DC Drives
Language	English