DC overvoltage warning

ABB Electrical Warning vfd

Model: ACS880 | Code: A3A1

Applicable Systems
AC500 AC590 ACS580 ACS880

Symptoms

DC link voltage approaching trip limit.

Possible Causes

Regenerative energy increasing DC bus voltage.

Troubleshooting Steps

Extend deceleration time, install brake resistor.

How to Reset

Fix cause

Source: ABB ACS880 fault manual

Category: Electrical