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Identify the problematic parameter field

Check the alarm text display to identify which field (%1) is causing the issue. Note the parameter number and current value.

The %1 placeholder in the alarm text shows the exact field name that failed validation

Access machine data via HMI

Navigate to Commissioning > Machine data > Axes/Spindles. Locate the parameter mentioned in the alarm using the search function.

Ensure machine is in a safe state before modifying machine data parameters

Verify parameter limits in documentation

Check SINUMERIK documentation or use the HMI help function to determine the valid range for the parameter. Compare current value against minimum threshold.

Use F1 help key on the parameter field to display valid ranges directly on HMI

Correct parameter value

Enter a value within the valid range, ensuring it meets both minimum threshold and application requirements. Save changes and reset alarm.

Verify new parameter value is suitable for your mechanical system before saving

Access drive parameter interface

Navigate to Commissioning > Drive > Parameters. Identify the drive object and parameter number from the alarm message.

Use STARTER or Drive ParameterSet to cross-reference parameter numbers with their functions

Check drive-specific parameter limits

Verify the parameter's valid range in the SINAMICS documentation. Drive parameters often have hardware-dependent minimum values.

Drive parameter changes can affect motor performance and safety functions

Validate against motor nameplate data

Ensure the corrected parameter value is compatible with connected motor specifications, particularly for current and speed-related parameters.

Use automatic motor identification if available to set optimal parameter ranges

Apply corrected value and test

Enter the corrected parameter value, download to drive, and perform a controlled test movement to verify proper operation.

Start with reduced speed and acceleration for initial testing after parameter changes

Identify variable assignment location

Check the NC program line or HMI screen where the variable assignment occurs. Note the variable name and assigned value from alarm context.

Use Program Manager search function to locate all instances of the problematic variable

Review variable definition and constraints

Check variable definition in NC program or machine data to understand the valid range. System variables have predefined limits documented in SINUMERIK manuals.

Modifying system variables can affect machine behavior and safety functions

Correct variable assignment

Modify the NC program or input field to assign a value within the valid range. Consider the functional requirements of the variable in your application.

Use conditional programming (IF statements) to validate variable ranges before assignment

Test program execution

Run the modified NC program in simulation mode first, then perform actual execution to verify the correction resolves the alarm.

Always simulate programs after variable modifications before running on actual workpiece

Access offset parameter tables

Navigate to Parameters > Tool offsets or Work offsets depending on alarm context. Identify the specific offset causing the alarm.

Check both geometry and wear offset values as both can trigger minimum value alarms

Verify offset measurement accuracy

Re-measure the tool or workpiece offset using appropriate measuring equipment. Ensure measurement procedure follows shop standards.

Incorrect offset values can cause collisions or poor part quality

Enter corrected offset values

Input the verified offset values ensuring they meet minimum threshold requirements while maintaining machining accuracy.

Use tool presetting equipment or touch probe cycles for accurate offset determination

Validate with test program

Run a simple test program using the corrected offsets to verify proper tool positioning and machining results.

Use air cutting or soft material for initial validation of new offset values