Nautilus Be Strong Commerical T912, Service Manual

Page: 40 / 130

40
SECTION 3: T912 TROUBLESHOOTING ELECTRICAL PROBLEMS
Table 3–2. Electronic Issues
Problem Possible Causes Remedy
System stops unexpectedly
while user is running at
moderate to high speeds.
Belt is possibly worn and causing
the circuit breaker to open. With the
hood off and a similar user weight
and speed running observe LED
11 on the Drive Board to see if it's
flashing or ON continuously.
• Replace the belt and flip or possibly
replace the deck.
Drive board is bad. • Replace the drive.
Treadmill will not change
grade.
Drive board or connections are bad. • See the troubleshooting charts for
specific steps.
Treadmill will not reach
maximum speed.
Speed limit control may be
activated. Speed calibration may
have been lost in code.
• Refer to Part 2 for adjusting treadmill
maximum speed. Rerun the Speed
Calibration utility in Section 2.
Treadmill will not reach
maximum time.
Time limit control may be activated. • Refer to Part 2 for adjusting treadmill
maximum time.
Walking belt stops, and no
error message appears.
User accidently hit the Ergo stop
button.
• Press START to resume workout.
Unit shuts off and wall or
treadmill circuit breaker
has opened. After resetting
system works fine with no
load on belt.
User’s weight is higher than
recommended speed for that
weight, or deck/belt has worn and
system is pulling more current than
the system is designed for.
• Replace deck/belt.