Navigate to the SETTING screen, find PARAMETER WRITE , change the value to 1 , and ignore the resulting SW0100 alarm .
Parameter is unique. On most Fanuc 0i controls, 9900 is the Option Activation Key . It is a 8- to 10-digit hexadecimal number. If you change this number without the official "keycode" from Fanuc or the machine builder, you will disable all options.
If a CNC machine suffers a total memory loss (due to a dead backup battery or a corrupted SRAM), the control will not know how to boot up properly. Simply reloading the part programs and standard parameters is not enough. The control must first be told what it is via the 9900 series parameters. Without the correct 9900 parameter list, the machine is effectively a brick. fanuc 9900 parameter list
: It's suitable for a wide range of machine tools and can be customized to fit specific needs through its extensive parameter list.
This article provides a deep dive into what the 9900 parameters are, what they control, how to access them, and the critical safety protocols you must follow. Navigate to the SETTING screen, find PARAMETER WRITE
Enables additional program registration (e.g., 200 programs) or expanded memory capacity.
The in Fanuc CNC controls are primarily used for option settings and high-level system configuration , particularly on modern controllers like the 16i, 18i, 21i, and 0i models. These parameters are typically set by the factory or an authorized technician to enable specific hardware or software features. Core Functions of the 9900 Series It is a 8- to 10-digit hexadecimal number
Before you touch that 9900 parameter, ask yourself: Do I have the original sticker? Have I called the builder? If the answer is no, stop. Contact a Fanuc certified professional. The cost of a service call is trivial compared to the downtime of rebuilding an option list from scratch.