Sinumerik Alarm 300785 Axis %1 drive %2 zero load current less than or equal to zero

Sinumerik Alarm 300785 Axis %1 drive %2 zero load current less than or equal to zero

Parameters:
%1 = NC axis number
%2 = Drive number

Definitions:
The value in MD 1136: $MD_MOTOR_NOLOAD_CURRENT (motor no-load current) is less than or equal to zero. The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not ready).

Reactions:
– NC not ready.
– Channel 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.

Remedy:
Please inform the authorized personnel/service department.
• For standard motors: Reset the drive (delete the bootfile) and repeat the startup.
• For third-party motors: Check and, if necessary, refer to the motor data sheet to correct MD 1136: $MD_MOTOR_NOLOAD_CURRENT (motor no-load current).

Program Continuation:
Clear alarm with the RESET key in all channels. Restart part program.