Sinumerik Alarm 20101 Communication with the digitizer not possible
The attempt to synchronize the communications link to the digitizing unit and to transfer the machine parameters was aborted after the preset timeout limit of 15 seconds was exceeded.
– Alarm display.
– Interface signals are set.
Check the connection to the digitizing unit (RS422 cable, supply voltage) and whether the digitizing unit is switched on.
Clear alarm with the Delete key or NC START.
- Siemens Diagnostics Guide by Siemens