Siemens · SINUMERIK 828D
The tool data for the active workpiece probe is either incorrect or the probe itself is inactive. This prevents accurate measurement operations. The error code (%4) indicates if the workpiece probe (or tool edge) is inactive, or if the length L1 of the workpiece probe is set to zero.
Click steps to track your progress.
1. Check the tool management system for the active workpiece probe's T-number and D-number, verifying that all offset values (length, radius) are accurately entered.
2. Visually inspect the workpiece probe and its stylus for damage, and confirm it is securely mounted and clean.
3. Verify the M-function (e.g., M70, M71) or PLC output signal responsible for activating the probe, ensuring it is energized (e.g., 24VDC at the probe receiver).
4. Execute a probe calibration routine (if available) to test its functionality and update its offset data.
5. Check parameters related to the workpiece probe (e.g., MD20070 for probe type, MD20080 for probe measuring speed) against the probe's specifications.