Horizon Fitness offers troubleshooting for treadmills and other equipment at JohnsonFit.com. Customers can also contact Horizon Parts & Tech for assistance Monday through Friday between 8:00 a.m. and 7:00 p.m. CST, as of 2016.
Customers must contact Horizon Parts & Tech at different times depending on the brand of their equipment and whether or not they have expired warranties. For example, technical assistance for in-warranty Horizon equipment is available between 8:00 a.m. and 6:00 p.m. Monday through Thursday, and 8:00 a.m. and 5:00 p.m. on Friday.
In addition to troubleshooting advice, JohnsonFit.com also provides free operating manuals, parts diagrams and other reading material. Reference materials are available in .PDF or .XLS format, depending on the file. Customers may also purchase replacement parts for their equipment.