Leds - ABB FENA-01 User Manual

108 Modbus/TCP – Diagnostics

LEDs

The adapter module is equipped with three bicolor diagnostic
LEDs. The LEDs are described below.
Name Color
Blinking green
Green
Blinking red
HOST
Flashing orange,
alternating with
the MODULE
flashing orange
Function
Establishing communication to host
Connection to host OK
Communication to host lost temporarily
Internal file system error. The error may
be cleared by cycling drive power. If the
error persists, contact your local ABB
representative.