9000
EXTERNAL FLT
ABB · ACS560 Standard Control Program Firmware
What does 9000 mean?
A fault signal has been received from an external device, which is configured through one of the drive's programmable digital inputs. This indicates a problem in an external system or process that the drive is integrated with, often a safety interlock or monitoring system, requiring the drive to stop.
Source: ABB ACS560 Standard Control Program Firmware
View Official PDF