Err9 Error on Cybex/Trotter Pro, Sport and Elite Treadmills

Probable Cause

An Err9 error on the Cybex/Trotter Pro, Sport and Elite treadmills including models 450t, 500t, 515t, 520t, and 530t indicates that motor brush wear is too low and that indicator has been activated for over 100 miles.

Possible cause for an Err9 error:
a) Drive motor brushes

Corrective Action

a) Inspect drive motor brushes; Replace brushes if necessary.

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