When we buy new device such as Life Fitness 90X we often through away most of the documentation but the warranty.
Very often issues with Life Fitness 90X begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Treadmill Life Fitness 90X is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Treadmill on our side using links below.