Customer Support

At MarCum Technologies, we are well known for our industry-leading support department.

Many of our customers can’t find the answers they are looking for by browsing the pages of our website or inquiring one of our retail partners.  If you need a suggestion of which unit is right for you, if you have technical questions about how to operate your unit, or if you need troubleshooting or service, please contact us right away through the toll free number, or by email at

Product Manuals

Note that all of our User’s Manuals can be viewed and downloaded here.  Whether you need an extra copy, or just want to check out how a unit that you may be buying works, these manuals are a great resource.


If you need service, it is very important that you first obtain a Return Authorization Number.  This enables us to track all items that arrive at and leave our location. 

We do our best to respond to all inquiries in a timely manner, and we are in the office Monday through Friday, 8 – 4 Central Time

Our toll free number is 888-778-1208, if we are unable to answer, please leave a brief message.

To obtain a Return Authorization Number, Please contact our customer care center via the Email below.


  • Your first and last name
  • Return shipping address
  • Day-time phone number
  • Product model name
  • Date of purchase
  • Description of issue

Customer Care Email -

Replacement parts and service may be paid for over the phone with a credit card. Email customers will be instructed how to pay either by check or through the website.

If you are asked to send your unit in to us, our shipping address is:

MarCum Technologies
3943 Quebec Ave. North
Minneapolis, MN  55427