Fanuc Parameter 1860 ((link)) Full Jun 2026

Incorrectly modifying Parameter 1860 can cause the machine to "lose" its position, potentially leading to crashes if the software limits no longer align with the physical machine limits. Are you currently dealing with a specific alarm code (like 300 or 309) after a battery change? How to Enable Parameter Write Enable (PWE) on a Fanuc CNC

Yes. G28 returns to the reference position defined by parameters including 1860. G30 (2nd, 3rd, 4th reference return) uses different parameters (e.g., 1861, 1862). fanuc parameter 1860 full