What causes Siemens SINUMERIK alarm 300006?

SINAMICS drive hardware fault requiring investigation. Drive parameter configuration error. Axis motor or feedback system fault triggering drive protection. Communication fault on the drive bus. Power supply issue affecting the drive module.

How do I fix Siemens SINUMERIK alarm 300006?

1. Check the SINAMICS drive for active fault codes in the diagnostics screen. 2. Power cycle the machine to clear transient faults. 3. Review SINAMICS parameters for the affected drive axis. 4. Check the SINUMERIK axis diagnostics for related NC alarms. 5. Consult the Siemens SINAMICS alarm manual for alarm 300006 complete remedy.

axismd.ai

Siemens SINUMERIK Controller

Program/G-code · Intermediate · 30-120 minutes

Alarm 300006

Siemens 840D 300006 - Module with drive number has not been found on drive bus

This alarm occurs when a drive module specified in MD $MN_DRIVE_LOGIC_NR is not detected on the drive bus, often due to configuration errors or missing hardware. Fix by verifying the configuration or physical connections.

Siemens SINUMERIKProgram/G-codeIntermediate30-120 minutes

300006

Siemens 840D 300006 - Module with drive number has not been found on drive bus

Module with drive number has not been found on drive bus

Root Cause Summary

This alarm occurs when a drive module specified in MD $MN_DRIVE_LOGIC_NR is not detected on the drive bus, often due to configuration errors or missing hardware. Fix by verifying the configuration or physical connections.

Safety

Refer to Siemens documentation
Ensure qualified technician performs repairs

Causes and Fixes

1
SAFETY: Power down and lockout
Follow LOTO procedures before accessing any configuration or hardware. Ensure all energy sources are isolated.
2
Check machine data
Access MD $MN_DRIVE_LOGIC_NR via the configuration display to identify the listed drive number. Create backup of current configuration before making changes.
3
Verify drive presence
With power isolated, confirm if the specified drive module is physically connected to the drive bus.
4
Update configuration
Correct the machine data to match the actual drive setup or reconnect the missing module. Verify changes before powering up.

Service Recommendedmedium confidence

Call a technician if:

·If not qualified in Siemens drive configuration
·If the drive module is connected but not detected
·If machine data corrections do not resolve the alarm
·If unsure about LOTO procedures

Prevention

Validate drive configuration during setup
Document physical drive layout for reference

Common Mistakes

Overlooking unconnected drive modules
Incorrectly editing machine data without backup
Working on live systems without proper LOTO
Not following ESD precautions when handling drive modules

Seeing Multiple Alarms?

Seeing another alarm with this one? Enter the code.

Get machine-aware diagnosis

AxisMD logs alarms against your actual machines, tracks patterns, and gives AI context your manual doesn't have.

Start free

Was this guide helpful?

Always verify with your machine manual or a certified technician before performing service procedures.