What causes Siemens SINUMERIK alarm 101610?

Required machine data or parameter not configured for the requested function. Option bit not set in SINUMERIK to enable the required functionality. Program references a function or axis that has not been configured. Machine commissioning incomplete — required setup step was not performed. Configuration data cleared or lost due to a parameter reset or hardware change.

How do I fix Siemens SINUMERIK alarm 101610?

1. Read the full alarm message to identify what is missing (axis name, parameter number, function name). 2. Consult the SINUMERIK alarm manual for alarm 101610 for the specific configuration requirement. 3. Check the relevant machine data group and set the required parameter. 4. If a specific option is required, verify it is licensed and enabled in the SINUMERIK option settings. 5. Power cycle after making configuration changes to apply the new settings.

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Siemens SINUMERIK Controller

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

Alarm 101610

Siemens 840D 101610 - No operational priority.

Alarm 101610 'No operational priority' indicates that the system cannot determine which operating mode should have control priority. This typically occurs when multiple control sources (MCP, HHU, PLC, or external devices) attempt to gain control simultaneously, or when the operational priority chain is not properly configured in the machine data.

Siemens SINUMERIKProgram/G-codeIntermediate30-120 minutes

101610

Siemens 840D 101610 - No operational priority.

No operational priority.

Root Cause Summary

Alarm 101610 'No operational priority' indicates that the system cannot determine which operating mode should have control priority. This typically occurs when multiple control sources (MCP, HHU, PLC, or external devices) attempt to gain control simultaneously, or when the operational priority chain is not properly configured in the machine data.

Safety

Refer to Siemens documentation
Ensure qualified technician performs repairs

Causes and Fixes

1
Check all connected operator panels (MCP, HHU) for active control requests or stuck enable buttons.
2
Verify PLC program for simultaneous control activation signals on DB19 or interface signals DBX7.0-7.3.
3
Disconnect one operator interface at a time to isolate which device is causing the conflict.
Ensure machine is in a safe state before disconnecting any operator interface.
4
Clear the alarm and reestablish control priority from a single source, then verify normal operation.

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