These messages are generated by the Opening/Closing Monitoring function of the MicroLogic X control unit, to indicate that a predefined number of operations of the MCH gear motor or one of the voltage releases (MN, XF, MX1, or MX2) is reached.
Refer to the MicroLogic X User Guide:
Refer to the MicroLogic X User Guide:
- For information about the Opening/Closing Monitoring function and recommended actions.
- For information about how to acknowledge a message on the MicroLogic X screen