Setting allows the system to "shield" or suppress this alarm. While this can be a temporary "better" workaround to keep a machine running during a critical job, it is generally considered a maintenance risk. Key Functionality of Parameter 8901

Here is a technical overview text regarding optimizing Fanuc parameter settings for improved performance:

There are two primary settings for Parameter 8901:

For high-precision mold making or aerospace components where surface finish and dimensional accuracy are paramount.

Immediately return to the screen and change PARAMETER WRITE back to 0 . Press [RESET] to clear the P/S 100 alarm. Comparison: Shielding vs. Repairing

If you receive a 701 alarm, setting 8901 bit 0 to "1" can help confirm if the control unit is still operational or allow you to finish a critical cycle.