Siemens SINUMERIK codes
AxisMD

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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 30-120 minutes

Alarm 300901

Siemens 300901 - Axis drive stop B triggered

The drive is disabled via STOP B. This blocks the pulses over the relay "Antrieb-IMP". Request: In monitoring cycle. If STOP B has been triggered, this can have several reasons: 1. Safe zero speed control has responded. 2. Call after STOP F, that means an error has occurred during cross-comparison. 3. "SG-specific stop reaction" is set to STOP B and has responded. The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not ready) Control reaction: Mode group not ready. Channel not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm. Channel not ready.

Siemens SINUMERIKServo/AxisIntermediate30-120 minutes

300901

Siemens 300901 - Axis drive stop B triggered

Axis drive stop B triggered

The drive is disabled via STOP B. This blocks the pulses over the relay "Antrieb-IMP". Request: In monitoring cycle. If STOP B has been triggered, this can have several reasons: 1. Safe zero speed control has responded. 2. Call after STOP F, that means an error has occurred during cross-comparison. 3. "SG-specific stop reaction" is set to STOP B and has responded. The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not ready) Control reaction: Mode group not ready. Channel not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm. Channel not ready.

Safety

  • Drive/power/encoder circuit: hazardous voltages may remain in the DC link after power-off. Lock out / tag out, wait for discharge per the drive documentation, and use qualified personnel only.

Common Causes

  • The drive is disabled via STOP B.
  • This blocks the pulses over the relay "Antrieb-IMP".
  • Request: In monitoring cycle.

Troubleshooting Steps

  1. 1Please inform the authorized personnel/service department.
  2. 2The user must check the cause and initiate the corresponding measures.
  3. 3Switch control OFF - ON

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