Error 3 on Trotter/Cybex 600T Treadmill

Probable Cause

The error 3 when it appears on the Trotter/Cybex 600t treadmill indicates a loss of speed signal.

You should check the following:
a) Speed sensor
b) Gap of speed sensor
c) Cable for speed sensor

Corrective Action

a) Check speed sensor; Inspect for dust/debris buildup and clean if necessary.  Test speed sensor; Replace if necessary.
b) Inspect the gap of the speed sensor to the speed disc; Adjust gap if necessary.
c) Check cable for speed sensor ensuring good condition and a good connection; Replace cable if necessary.

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