(e.g., using an external industrial fan directed at the cabinet) until the internal fan can be replaced. Restoration : Once the new fan is installed, you must set PRM 8901 back to 0 to ensure future protection. How to Modify To change this parameter, you typically need to: Parameter Write Enable (PWE) by setting PARAMETER WRITE = 1 on the SETTING screen. Emergency Stop
The CNC monitors the fan speed. If a failure is detected, Alarm 701 is issued, often stopping the machine to prevent heat damage. Setting 1 (Shielding): fanuc parameter 8901 better
Do you need the specific or a guide on how to physically replace the fan for your Fanuc model? FANUC fan alarm troubleshooting - Knowledge - Jide Alarm 701 is issued