Fanuc Parameter 8901 Better

: Operating for extended periods with 8901#0 set to 1 without replacing the faulty fan can lead to permanent damage of the CNC control boards due to excessive heat.

Setting 8901 = 3 is invalid (3 decimal = binary 11 → bits 0 and 1 both 1 → selects axis 4). fanuc parameter 8901 better

: Put the machine in MDI or Emergency Stop state. : Operating for extended periods with 8901#0 set