Allen Bradley PowerFlex 753, PowerFlex 755, PowerFlex 755T & PowerFlex 755TS Drive
1
Posts
1
Users
0
Reactions
882
Views
Mar 15, 2024 5:13 am
Cause : Ground Fault comes when a current path to earth ground has been detected at one or more of the drive output terminals.
- Check the motor and external wiring to the drive output terminals for a grounded condition.
- A current path to earth ground greater than 25 % of drive rating has occurred.
- Check the motor and external wiring to the drive output terminals for a grounded condition.
- Check the programming.
- Check for excess load, and other causes of excess current. Insulation Resistance (IR) test the wiring to motor.
