Applicable Systems
AC500
AC590
ACS580
ACS880
Symptoms
Output current exceeds trip limit.
Possible Causes
- Motor load too high
- Acceleration time too short
- Motor cable or winding short
Troubleshooting Steps
- Step 1: Check motor load and reduce if necessary
Current within rated range - Step 2: Increase acceleration time
No overcurrent trip - Step 3: Inspect motor cable and windings
Insulation intact, no shorts
How to Reset
Reset via control panel after resolving root cause.
Source: ABB ACS510/550 User Manual, ABB Drives
Category: PLC & VFD