Service begins with a call or e-mail to Advantage. See Contact Us. This request is going to get top priority over other business. Most service calls can be resolved over the phone with technical support. Some require parts that may be sent overnight to expedite the process of getting the system back into normal operation. When a call does require a field visit it will be scheduled at the 1st available time slot. We want you in operation 365 days a year. it is in everyone's best interest.