Troubleshooting steps
Increase deceleration ramp check input voltage verify braking resistor
ABB VFD
2311 – Overvoltage
DC bus overvoltage
Details
DC link voltage exceeded maximum threshold during operation.
Error typealarm
MeaningOvervoltage
Typical causesRegenerative braking input voltage spike deceleration too fast
SolutionsIncrease deceleration ramp check input voltage verify braking resistor
Severityhigh
Catalog references
Vendor Information
ABB2311
Utilities
Troubleshooting Steps
Related
Related ABB VFD Codes
FAQ
Common questions
Why during deceleration?
Motor acts as generator during braking sending energy back to drive raising DC voltage.