Technical Service and Support

Siemens technical support specialists are available 24-hours a day, 7-days a week to advise and assist you in answering questions regarding the operation and handling of your SINUMERIK and ACRAMATIC CNC controls, along with other machine tool products.

Contact us with questions 24-hours a day, 7-days a week:
Phone: (800) 879-8079 and press "2"
Fax: (847) 640-0227
CNCservice.industry@siemens.com

Normal business hours
Monday through Friday, 7:00 a.m. – 7:00 p.m., U.S. Central Time

Emergency after-hours service
Please leave a message and we will return your call as quickly as possible.

Find technical support online: