Applicable Systems
AC500
AC590
ACS580
ACS880
Symptoms
Transformer current exceeds rated limit.
Possible Causes
- Transformer overload
- Output short circuit through transformer
- Transformer winding fault
Troubleshooting Steps
- Step 1: Check transformer load current
Current within rated range - Step 2: Inspect transformer windings
No short or open circuit - Step 3: Verify output connections
All connections correct and tight
How to Reset
Reset via control panel after resolving overload.
Source: ABB ACS580 Firmware Manual
Category: PLC & VFD