Sinumerik Alarm 27255 PROFIsafe: F module %1, general error
%1 = PROFIsafe address
The specified PROFIsafe module signals an error. A more exact specification of the error’s cause cannot be made without further assistance. This alarm is triggered for all types of PROFIsafe slaves. With ET200S F modules, this error can only occur if there already is a channel error when the cyclical communication between the F master and module is begun.
– Mode group not ready.
– NC Start disable in this channel.
– Interface signals are set.
– Alarm display.
– NC Stop on alarm.
Clear alarm with the RESET key. Restart part program
- Siemens Diagnostics Guide by Siemens