LifeFitness 3500 Treadmill Speed Error

Probable Cause

A) User is pushing belt faster than speed is set (more common when unit is elevated).
B) Heatsink control board is bad.

Corrective Action

A) Check for presence of error when unit is at 0% elevation. If error is not present at 0% elevation, instruct user on proper use of treadmill.

B) Test unit with a known good heatsink control board. Replace heatsink control board if necessary.

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