LifeFitness 3500 Treadmill Speed Error

Probable Cause

  1. The user is pushing the belt faster than the speed is set (more common when the unit is elevated).
  2. The heatsink control board is bad.

Corrective Action

  1. Check for the presence of error when the unit is at 0% elevation. If the error is not present at 0% elevation, instruct the user on the proper use of the treadmill.
  2. Test unit with a known good heatsink control board. Replace the heatsink control board if necessary.
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