Fanuc Parameter 8901 Better Jun 2026

While modifying parameter 8901 makes the machine "better" in the short term by eliminating the alarm, it is not a permanent solution. The fan exists for a crucial reason.

The fan's role is to cool the CNC's control unit. Using this override means you are operating without that cooling. To make this "better" and safer, you must provide an external cooling source. As noted in technical guides, you should then use an external fan to force cold air over the control unit to prevent overheating during this temporary operation. fanuc parameter 8901 better