Applicable Systems
AC500
AC590
ACS580
ACS880
Symptoms
Emergency stop button has been pressed.
Possible Causes
- E-stop button activated
- E-stop wiring fault
- E-stop circuit wiring open
Troubleshooting Steps
- Step 1: Release the emergency stop button
Button returns to normal position - Step 2: Check E-stop circuit wiring continuity
Circuit complete - Step 3: Verify E-stop button contacts
Contacts clean and functional
How to Reset
Release E-stop and reset via control panel.
Source: ABB ACS580 Firmware Manual
Category: PLC & VFD