Replacing The Drive Motor - Nautilus StairMaster ClubTrack 2100 Series Service Manual

3
If you receive a "POWER LOSS" error after allowing the motor to cool down for 60 minutes; re-check the
thermal switch wires as described in step 2. If the continuity test fails (your multimeter reads an "open"),
replace the drive motor. If you have continuity between the two thermal switch wires and you receive a
"POWER LOSS" error at power-up, replace the VSD.
Important: When replacing the main motor, be sure to install the rubber insulators under the washers. If after
replacing the motor the belt runs backwards, swap any two adjacent motor phase wires P7 and P8, or P8 and P9.

Replacing the Drive Motor

DANGEROUS VOLTAGES ARE PRESENT UNDER THE
TREADMILL HOOD. EXERCISE CAUTION WHEN PERFORMING
SERVICE TO THE ELECTRICAL COMPONENTS UNDER THE
HOOD.
1.0 Remove the Treadmill Hood
1.1
Turn the treadmill circuit breaker off, and unplug the treadmill power cord.
1.2
Remove the six (6) screws on the treadmill hood.
1.3
Lift off the hood.
2.0 Remove the Motor
2.1
Disconnect P5, P6, P7, P8, and P9 from the VSD board. (See appropriate wiring schematic on pages 46-
48 for the location of where the plugs connect to the VSD board.)
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Unplug
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ClubTrack 2100 Series Treadmill Service Manual
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Replacing the Drive Motor
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