Nautilus Be Strong Commerical T912, Service Manual

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Nautilus® Commercial T9 Series Treadmill Service Manual
SECTION 3: T912 TROUBLESHOOTING ELECTRICAL PROBLEMS
Error Reporting
The system reports various problems to the user via the display. The format includes the text line
reporting the error.
Definitions
Warning
— A message display that appears on the console display that informs you of a condition that
requires attention but does not stop treadmill operation.
Error
— A message display that appears on the console display that informs you of a condition that halts
the operation of the treadmill and which requires immediate attention.
Table 3–3. Error List
Display Type Response Description
Err LS Error Stops operation after 3-5 seconds of
belt movement.
Loss of tach sensor signal between
Console and Magnet on front roller.
Err OS Error Stops operation quickly after
expected speed signal is NOT
detected.
Console/Drive system has lost ability
to control speed (Target and Actual
Speed > 3mph different).
Err Grd 1 Error Stops operation anytime grade is
commanded to move but doesn't.
Commanded Grade change produces
no "detected" motion of elevation
system.
Err Grd 2 Error Stops operation anytime grade
motion is "detected" when no
movement is commanded.
Opposite of Grd Err 1, grade motion
is "detected" when no movement is
commanded.
Err Grd 3 Error Anytime—that the “detected” grade
position is outside known sensor
range.
Either failure of position sensor,
code or excessive vibration has
caused the sensor to move out of
acceptable grade range. Always re-
calibrate this system prior to further
troubleshooting.
Stop Warning Anytime—System is visibly active,
Status can be changed without
cycling power based on system set-
up.
Displays that status of “Magnetic
Key Limit Switch” and code setting is
inhibiting operation.
Err1 Error Starts to power up then stops Console RAM (Data Memory) failure
during self test.
Err2 Error Starts to power up then stops Console ROM (Program Memory)
failure during self test.
Err3 Error Starts to power up then stops Console NVRAM (Saved Parameter
Memory) failure during selt test.