Key DN Error on StarTrac 4500 Treadmill

Probable Cause

  1. This code generally occurs when a key other than “5” or ”8” is held pressed while turning the treadmill ON using the on/off switch.
  2. It may also happen if a key becomes stuck.

Corrective Action

  1. Reset power to the unit.
  2. Perform display test. Replace the keypad if the test fails. If unable to engage display test, swap the keypad with a known good unit. If the problem follows the keypad, replace the keypad.
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