Sinumerik Alarm 26102 Axis %1 drive %2 sign of life missing
%1 = Axis name, spindle number
%2 = Drive number
The sign-of-life cell is no longer being updated by the drive.
– Mode group not ready.
– Channel not ready.
– NC Start disable in this channel.
– NC Stop on alarm.
– The NC switches to follow-up mode.
– Alarm display.
– Interface signals are set.
– Axes of this channel must be re-referenced.
• Check the cycle settings.
• Increase the cycle time if necessary.
• Power-up the drive again.
• Check drive software.
Clear alarm with the RESET key. Restart part program
- Siemens Diagnostics Guide by Siemens