Fanuc 9900 Parameter List -

| Feature | Description | | :--- | :--- | | | Typically 9900 to 9999 (some models extend to 9900–9999) | | Visibility | Not visible via normal parameter screens (requires special procedures) | | Modification | Requires disabling parameter write protection (PWE = 1) and often a manufacturer password | | Storage | Stored in SRAM; cleared by certain types of memory all-clear operations | | Risk Level | Extreme – incorrect values can cause “0D” or “0T” alarms, boot failures |

If your control allows viewing, you must first enable : Set the machine to MDI Mode . Press the OFFSET/SETTING key.

This paper aims to:

Note: The specific bit functionality can differ between FANUC 0, 16, 18, and 21 Series controls. Always refer to your machine tool builder's documentation, as they may have customized 9900-series functionalities. If you'd like, I can:

If you need to unlock a specific feature or clear a hardware alarm, let me know: Your (e.g., 18i-MB, 0i-TF, or 16M) The exact alarm code you are seeing fanuc 9900 parameter list

Historically, FANUC used the 9900 series (specifically 9900 to 9990) to store binary data that unlocks purchased software options like 5-axis simultaneous machining, high-speed look-ahead (AICC II), rigid tapping, or custom macro execution.

Understanding this specific parameter list is essential for maintenance technicians, CNC programmers, and field engineers who need to revive a downed machine or perform complex system retrofits. 1. What are FANUC 9900 Series Parameters? | Feature | Description | | :--- |

Leave the model number (e.g., Fanuc 0i-MF) and the exact parameter number in the comments below—or consult your MTB’s technical hotline.