Horizon Fitness CT5.4 Treadmill Horizon Fitness October 07, 2021 19:32 For the 2013 Horizon Fitness CT5.4 Owner's Guide, please click here. For the 2013 Horizon Fitness CT5.4 Treadmill Guide, please click here. For the 2013 Horizon Fitness CT5.4 Exploded Diagram, please click here. Was this article helpful? Yes No 0 out of 0 found this helpful Have more questions? Submit a request Related articles How Do I Reset the Lube Belt Message on a Treadmill? E1 Error Message Horizon Fitness CT5.3 Treadmill How to Install Software Updates Horizon Fitness Adventure 5 Treadmill Comments 0 comments Please sign in to leave a comment.