External device temperature

ABB Electrical Warning vfd

Model: ACS880 | Code: A491

Applicable Systems
AC500 AC590 ACS580 ACS880

Symptoms

External device temperature exceeded warning threshold.

Possible Causes

Motor or driven equipment overheating.

Troubleshooting Steps

Check motor cooling, reduce load, verify ambient temperature.

How to Reset

Cool down equipment

Source: ABB ACS880 fault manual

Category: Electrical