Sinumerik Alarm 25011 Axis %1 pollution of passive encoder
%1 = Axis name, spindle number
The encoder not used for position control sends a contamination signal (only in measuring systems with contamination signal).
– Alarm display.
Please inform the authorized personnel/service department. Check the measuring system in accordance with the instructions given by the measuring device manufacturer.
Clear alarm with the Delete key or NC START.
- Siemens Diagnostics Guide by Siemens