Siemens SINUMERIK 840D sl Series Diagnostics Manual page 886

Overview of Alarms
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
- Channel not ready.
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 Con- Clear alarm with the RESET key in all channels. Restart part program.
tinuation:
300786
Axis %1 drive %2 field weakening speed invalid
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: The value in MD 1142: $MD_FIELD_WEAKENING_SPEED (threshold speed for field
weakening) 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.
- The NC switches to follow-up mode.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
- Channel not ready.
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 1142: $MD_FIELD_WEAKENING_SPEED (threshold speed for field weakening).
Program Con- Clear alarm with the RESET key in all channels. Restart part program.
tinuation:
300787
Axis %1 drive %2 asynchronous mode: feedforward control gain out of range
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: If motor inertia and motor nominal torque have been selected unfavorably, the asynchro-
nous motor feedforward control gain is beyond the range of the internal number format.
The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY
(channel not ready).
Reactions: - NC not ready.
- The NC switches to follow-up mode.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
- Channel not ready.
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SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
© Siemens AG, 2005. All rights reserved
08/2005