Err2 Error on Trotter Pro, Sport and Elite Treadmills

Probable Cause

An Err2 error can occur on the Trotter Pro, Sport and Elite treadmills anytime the unit is under speed (2 mph for 2 seconds without correction in process). Possible causes for an Err2 error are:
a) Speed calibration needs performed
b) Speed sensor
c) Belt and deck
d) Drive motor

Corrective Action

a) Peform speed calibration procedure.
b) Inspect speed sensor and speed disk/target; Clean or replace speed disk/target if necessary.  Clean and/or adjust sensor if necessary.  Replace sensor if necessary.
c) Inspect belt and deck.  Replace either if necessary.
d) Test drive motor; Checking current draw and motor voltage.  Replace drive motor if necessary.