LifeFitness 5500HRS Treadmill Belt Over Speed Error

Probable Cause

A) Opto (speed) sensor is out of adjustment.
B) Obstruction such as dirt or debris is blocking the opto (speed) sensor signal.
C) Opto (speed ) sensor is faulty.
D) User is pushing the belt faster than its set speed.

Corrective Action

A) Inspect the position of the opto (speed) sensor. Adjust if necessary. Adjust the opto (speed) sensor so that the speed sensor disc is centered within the opto (speed) sensor.

B) Inspect the opto (speed) sensor and disc for dirt/debris buildup. Clean away any obstruction if necessary.

C) Replace opto (speed) sensor if necessary.

D) Reset the unit and instruct user on proper use of the treadmill.