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Siemens SINUMERIK Controller
Program/G-code · Intermediate · 30-120 minutes
Siemens 840D 101148 - Controller MD calculated
Alarm 101148 is an informational message, not an error condition. It indicates that the SINUMERIK 840D controller has successfully calculated and loaded the control loop parameters (controller machine data) from the startup configuration, typically after a system restart, NCK reset, or machine data modification.
101148
Siemens 840D 101148 - Controller MD calculated
Controller MD calculated
Siemens SINUMERIK operator message 101148: Controller MD calculated. This is an informational message from the SINUMERIK control indicating a system status or operation result that may require operator action.
Root Cause Summary
Alarm 101148 is an informational message, not an error condition. It indicates that the SINUMERIK 840D controller has successfully calculated and loaded the control loop parameters (controller machine data) from the startup configuration, typically after a system restart, NCK reset, or machine data modification.
Safety
- Refer to Siemens documentation
- Ensure qualified technician performs repairs
Causes and Fixes
- 1
Verify that machine startup sequence completed without additional error alarms in the alarm buffer.
- 2
Check HMI alarm display to confirm no related controller alarms (101xxx series) indicating calculation failures.
- 3
Acknowledge the alarm - it will clear automatically as it is informational only.
- 4
Proceed with normal machine operation; no corrective action required.
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Always verify with your machine manual or a certified technician before performing service procedures.