LifeFitness 4000 Treadmill Over Speed Error

Probable Cause

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

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