Troubleshooting Flowchart: No Elevation Movement - Nautilus Be Strong Commerical T912 Service Manual

SECTION 4: T914/916 TROUBLESHOOTING ELECTRICAL PROBLEMS

Troubleshooting Flowchart: No Elevation Movement

Treadmill will not
elevate.
Is a
No
"Grade Move
Error"
present?
Yes
Unplug P18, and
check for 118VAC
between the blue
and brown wires.
Is the
No
voltage
good?
Replace fuse F2
Yes
Configuration
Plate Assembly.
Turn off power.
Short pins 1 and 2
of Q8 on the VSD
Board.
Turn power back
on.
Does the
Replace the
No
Actuator Motor
Actuator Motor.
run?
Yes
Replace the VSD
Board.
End
58
on the
Cycle the power.
Does the
No
treadmill
elevate?
Yes
Upgrade the
firmware.
Perform keypad
test: Speed Up, 6,
Up/Down .
End
Does
GRADE ? and
GRADE ?
work?
Yes
Replace the
Controller/
Processor PCB.
No
Replace the
Keypad Assembly.
End