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Nautilus® Commercial T9 Series Treadmill Service Manual
SECTION 3: T912 TROUBLESHOOTING ELECTRICAL PROBLEMS
Treadmill elevates without
user / program command
Remove main cable
#41170 from the
Drive board as the
machine inclines.
Does grade
motion stop?
No
Replace console
cable AND/OR
Console board
Yes
Grade LEDs on
Hood show motion?
Replace Drive
board
Yes
No
Replace Drive
board
End
Motor Movement without commands
ERROR 2
Is a
“Err Grd2"
present?
Yes
No
Other Err Code
displayed?
Yes
No
Monitor condition,
may have
intermittent
connection to J3
on Drive Board or
Grade motor
Go to appropriate
chart
Cycle Power and
activate workout
and change grade
while monitoring
next step.
Troubleshooting Flowchart: Motor Movement without Commands - Error 2
Summary of Contents for Be Strong Commerical T912
Page 22: ...22 SECTION 2 CONSOLE CODES T9 14 16...
Page 66: ...66 SECTION 4 T914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS...
Page 68: ...68 SECTION 4 T914 916TROUBLESHOOTING ELECTRICAL PROBLEMS...
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