LifeFitness 3500 Treadmill Start Error

Probable Cause

A) Poor connection of opto (speed) sensor.
B) Opto (speed) sensor is out of adjustment or bad.

Corrective Action

A) Inspect cable and connection of opto (speed) sensor. Repair and replace damaged cable or connection of the opto(speed) sensor.

B) Inspect alignment of opto (speed) sensor. Sensor should be centered evenly over target. Adjust or replace opto (speed) sensor if necessary.

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