Festo Контроллеры двигателя CMMS-ST - Manual (Page 127)

8. Technical dataService functions and error messages
Festo.P.BE-CMMS-ST-G2-HW-EN 1008NH 127
Error messages can be acknowledged by:
- the configuration interface,
- the field bus (control word),
- a falling edge at DIN5 (controller enable).
Note
Starting with Firmware 1.3.0.1.7, errors that are parameterised as
warnings are automatically acknowledged if the cause is no longer
present.