If you are getting unusual spindle load readings on your machine or other erratic spindle behavior. Or if your getting 4.9973 or 20008 Alarms, you may have issues with the Wye-Delta Contactor on your machine. But this can also indicate issues with the stability of the incoming power to your machine. Watch this video for more information.
WARNING: You should not do mechanical or electrical machine repairs or service procedures unless you are qualified and knowledgeable about the processes.
WARNING: Only authorized personnel with the proper training and certification should do this repair procedure.
All information herein is provided as a courtesy for Haas machine owners for reference and illustrative purposes only. Haas Automation cannot be held responsible for repairs you perform. Only those services and repairs that are provided by authorized Haas Factory Outlet distributors are guaranteed.