Fanuc Parameter — 8901 Better
Parameter 8901
In Fanuc CNC systems, is specifically used to manage fan-related alarms , such as the "701 Fan" alarm, which occurs when a system cooling fan fails or stops rotating properly.
1850 = 10 to 50
Combine with and 1821 as required.
3. Use Cases & Scenarios
Are There Cases Where 8901 = 0 is "Better"?
Solution:
Changed 8901 from 0 → 4. No hardware change. fanuc parameter 8901 better
ALM701 Bypass:
Setting RRM8901#0 to 1 releases the ALM701 alarm, allowing the machine to operate even if the fan is defective or not running. Parameter 8901 In Fanuc CNC systems, is specifically
