What causes Siemens SINUMERIK alarm 10259?

Normal system operation generated this status message. User action or program command triggered this notification. Machine data or parameter change created this notification. System startup or initialization process generating a status report.

How do I fix Siemens SINUMERIK alarm 10259?

1. Read the full message text displayed on the SINUMERIK screen for complete details. 2. If action is required, follow the instructions shown in the message. 3. Consult the SINUMERIK alarm manual for alarm 10259 for detailed information about this message. 4. If the message appears unexpectedly, check recent parameter changes or program modifications. 5. For recurring messages, contact Siemens technical support or the machine builder.

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Siemens SINUMERIK Controller

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

Alarm 10259

Siemens 840D 10259 - [up to SW 3.x only] Channel

Alarm 10259 is a legacy informational message specific to SINUMERIK 840D systems running software version 3.x or earlier. This alarm typically appears during channel-specific operations and indicates a status condition rather than a critical fault, often related to program execution, channel switching, or system state transitions that require operator acknowledgment.

Siemens SINUMERIKProgram/G-codeIntermediate30-120 minutes

10259

Siemens 840D 10259 - [up to SW 3.x only] Channel

[up to SW 3.x only] Channel

Root Cause Summary

Alarm 10259 is a legacy informational message specific to SINUMERIK 840D systems running software version 3.x or earlier. This alarm typically appears during channel-specific operations and indicates a status condition rather than a critical fault, often related to program execution, channel switching, or system state transitions that require operator acknowledgment.

Safety

Refer to Siemens documentation
Ensure qualified technician performs repairs

Causes and Fixes

1
Read the complete alarm text on the HMI display to identify which channel number is referenced and what specific operation triggered the message.
2
Check if a part program was just started, stopped, or interrupted on the indicated channel.
3
Acknowledge the alarm using the alarm acknowledgment key or soft button on the operator panel.
4
If the message recurs frequently, review program logic for commands that may be generating excessive status notifications (e.g., MSG commands, channel synchronization).

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