__exclusive__ — Fanuc Parameter 8901 Better
1 System fan, 701 alarm, 8901#0 parameter is changed to 1 to temporarily shield the alarm (OIC system); www.jidemachinery.com FANUC fan alarm troubleshooting - Knowledge - Jide
If a replacement fan is not immediately available and you must complete a critical job, setting this to 1 allows you to bypass the hard stop caused by the 701 alarm. Safety Requirement: If you bypass this alarm, you fanuc parameter 8901 better