Fanuc Parameter 8901 Better — [portable]

. If a fan fails or runs too slowly, the CNC will trigger an alarm (ALM701) to prevent overheating. : Fan motor error not detected

If the goal is better surface finish, adjusting parameters related to AI Contour Control (AIAPC) or Nano Smoothing is more effective than just changing speed parameters. fanuc parameter 8901 better

Test reference return 10 times and measure repeatability using a dial indicator or laser. fanuc parameter 8901 better

Once a new fan is installed, you must change PRM 8901#0 back to fanuc parameter 8901 better

While changing this parameter "fixes" the alarm, it does not fix the underlying hardware failure. Risk of Overheating