Sinumerik Alarm 300715 Axis %1 drive %2 maximum power section current less than or equal to zero
%1 = NC axis number
%2 = Drive number
The maximum current of the power section entered in drive MD 1107: $MD_INVERTER_MAX_CURRENT (transistor limit current) is less than or equal to zero.
– NC not ready.
– Channel not ready.
– NC Stop on alarm.
– NC Start disable in this channel.
– The NC switches to follow-up mode.
– Alarm display.
– Interface signals are set.
Please inform the authorized personnel/service department. Reset the drive (delete the bootfile) and repeat the startup.
Switch control OFF – ON.
- Siemens Diagnostics Guide by Siemens