Applicable Systems
AC500
AC590
ACS580
ACS880
Symptoms
Control panel communication with the drive is lost.
Possible Causes
- Control panel cable disconnected
- Control panel hardware fault
- EMI interference on panel cable
Troubleshooting Steps
- Step 1: Check control panel cable connection
Cable securely connected - Step 2: Replace control panel cable if damaged
New cable restores communication - Step 3: Verify panel firmware compatibility
Panel and drive firmware compatible
How to Reset
Reconnect panel and reset; power cycle if needed.
Source: ABB ACS580 Firmware Manual
Category: PLC & VFD