Why does the milling machine stop, not start or stop working?

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Error description

The milling machine stands still or stops working after a while.

Cause of error

The computer's energy-saving mode interrupts the connection to the milling machine. As the router no longer receives any data, it stops. This error often occurs with milling machines that have a COM port if a COM-USB adapter is used to connect to the computer.

Troubleshooting

Decativise "Selective USB energy saving