Probable Cause
- 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.
- It may also happen if a key becomes stuck.
Corrective Action
- Reset power to the unit.
- 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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