9.17, 917si Treadmill
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7. If the voltage in step 4 is incorrect and the voltage in step 6 is correct, either the speed
sensor or the lower PCA could be defective. Substitute a known good speed sensor and see
if that corrects the problem. If not, substitute a known good lower PCA.
8. If you have performed all of the above tests and the speed sensor is still not functioning, call
Precor Technical Support.