Sinumerik Alarm 120002 Area %1 is still active. Please deactivate area %1
%1 = Operating area name
When the MMC system is closed (closing the master control), an area is to be terminated. However, the area refuses this. The system was NOT closed.
– Alarm display.
Try again and, if possible, close the reluctant area first.
- Siemens Diagnostics Guide by Siemens