Sinumerik Alarm 300865 Axis %1 drive %2 measurement of DC link voltage not possible
%1 = NC axis number
%2 = Drive number
If the fixed voltage MD 1161: $MD_FIXED_LINK_VOLTAGE(DC link fixed voltage) = 0, no DC link measurement is possible because the hardware version is wrong.
– Alarm display.
– Interface signals are set.
Please inform the authorized personnel/service department. Enter a value greater than zero in the machine data MD 1161: $MD_FIXED_LINK_VOLTAGE (DC link fixed volt- age), or order a new hardware version of the control module.
Alarm display showing cause of alarm disappears. No further operator action
- Siemens Diagnostics Guide by Siemens