Nautilus Be Strong Commerical T912 Service Manual page 40

SECTION 3: T912 TROUBLESHOOTING ELECTRICAL PROBLEMS
Table 3–2. Electronic Issues
Problem
System stops unexpectedly
while user is running at
moderate to high speeds.
Treadmill will not change
grade.
Treadmill will not reach
maximum speed.
Treadmill will not reach
maximum time.
Walking belt stops, and no
error message appears.
Unit shuts off and wall or
treadmill circuit breaker
has opened. After resetting
system works fine with no
load on belt.
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Possible Causes
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.
Drive board is bad.
Drive board or connections are bad.
Speed limit control may be
activated. Speed calibration may
have been lost in code.
Time limit control may be activated.
User accidently hit the Ergo stop
button.
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.
Remedy
• Replace the belt and flip or possibly
replace the deck.
• Replace the drive.
• See the troubleshooting charts for
specific steps.
• Refer to Part 2 for adjusting treadmill
maximum speed. Rerun the Speed
Calibration utility in Section 2.
• Refer to Part 2 for adjusting treadmill
maximum time.
• Press START to resume workout.
• Replace deck/belt.