Applicable Systems
AC500
AC590
ACS580
ACS880
Symptoms
Motor overload protection tripped.
Possible Causes
- Motor load exceeds rated current for too long
- Acceleration time too short
- Motor undersized for application
Troubleshooting Steps
- Step 1: Check motor load and reduce if necessary
Current within rated range - Step 2: Verify motor sizing for application
Motor properly sized - Step 3: Adjust overload protection parameters
Parameters set correctly
How to Reset
Reset via control panel after reducing motor load.
Source: ABB ACS510/550 User Manual, ABB Drives
Category: PLC & VFD