HMI "Communication disturbed"

Problem:

Possible Causes & Resolution:

Turn the machine off and back on and see if the error message comes up again.
Check for the LED “on” at the PLC.
The machine isn’t showing any reaction (for example wire manual)
Please check the MPI-bus connection between the touch panel and the PLC.
Also check if all the PLC modules are properly mounted to the c-rail.
The machine was switched off for a longer period.
The PLC has an internal battery. To be sure that it can be sufficient charged, leave the machine power on for >24 hours.
Change the battery of the Pacemaker, see FAQ PM send error / PM receive error or welding parameter don’t match after starting the machine.

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HMI “Communication disturbed”