DC undervoltage warning

ABB Electrical Warning vfd

Model: ACS880 | Code: A3A2

Applicable Systems
AC500 AC590 ACS580 ACS880

Symptoms

DC link voltage below warning threshold.

Possible Causes

Input voltage sag or interruption.

Troubleshooting Steps

Check input power supply stability.

How to Reset

Restore input voltage

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Source: ABB ACS880 fault manual

Category: Electrical