Display lights up; treadbelt moves; speed does not increase; L5 error.
6.1
Press START button.
6.2
Is yellow SPD lamp on the SCR lit?
6.3
Is speed sensor aligned squarely and
within a credit card's thickness from
the flywheel?
6.4
1. Check speed sensor wires.
2. Replace speed sensor.
NO
Replace SCR.
YES
1. Disconnect the speed sensor from the SCR.
YES
2. Is the yellow SPD lamp on the SCR lit?
NO
Realign sensor.
NO
YES
Replace speed sensor.
102