Fanuc Parameter 1829 Review

Understanding FANUC Parameter 1829: The "Excess Error" Guard If your CNC machine has ever ground to a halt with a 410 Servo Alarm , you've likely encountered FANUC Parameter 1829

Why does this matter?

Protection: It prevents mechanical damage (broken tools, bent fixtures, or even structural machine damage) if the axis jams or overloads.
Performance: Setting it too low causes premature "Excessive Load" alarms (e.g., SV0430, SV0431).
Safety: Setting it too high can mask a mechanical bind, leading to a burned servo motor or damaged ballscrew.

| Parameter | Setting (mm) | Purpose | |-----------|--------------|--------------------------------| | 1320 | -100000 | Negative software limit | | 1321 | +480000 | Positive soft limit 1 (warning)| | 1829 | +500000 | Positive soft limit 2 (final stop) | fanuc parameter 1829

What is Pitch Error Compensation?

If parameter appears not to exist or behaves differently, consult model-specific Fanuc manuals or contact Fanuc support with control model and software versions.

For detailed setting instructions, refer to the Fanuc 0i-MODEL F Plus Parameter Manual or the Series 16i-18i Parameter Manual. FANUC Series 0i-MODEL F Plus PARAMETER MANUAL Understanding FANUC Parameter 1829: The "Excess Error" Guard