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NordicTrack
Treadmill

Model # 831298030 Official NordicTrack vx 900 treadmill

Here are the diagrams and repair parts for Official NordicTrack 831298030 vx 900 treadmill, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 138 parts  |
Treadmill Safety Key Assembly (replaces 201576) 208603

#87

All parts diagram

Treadmill safety key assembly (replaces 201576)

Part #208603

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This item is not returnable
$4.69 | 
18% OFF Phone Price : $5.69
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Treadmill Circuit Breaker, 15-amp (replaces 031103, 127202, 173322) 109382

#15

All parts diagram

Treadmill circuit breaker, 15-amp (replaces 031103, 127202, 173322)

Part #109382

This item is not returnable
$9.39 | 
10% OFF Phone Price : $10.39
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Black & Decker Treadmill Nut 119425

#23

All parts diagram

Black & decker treadmill nut

Part #119425

This item is not returnable
$2.16
In Stock
Black & Decker Exercise Equipment Nut 012149

#9

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Black & decker exercise equipment nut

Part #012149

This item is not returnable
$2.16
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Proform Wire,hrns,8 149693

#NI12

All parts diagram

Proform wire,hrns,8

Part #149693

This item is not returnable
$5.99
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Wire,jmpr,8" 118204

#NI09

All parts diagram

Wire,jmpr,8"

Part #118204

This item is not returnable
$2.49
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Image Screw,phpnhs 158925

#78

All parts diagram

Image screw,phpnhs

Part #158925

This item is not returnable
$2.16
In Stock
Proform Isolator,dec 184277

#7

All parts diagram

Proform isolator,dec

Part #184277

$60.99
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Nut,insert,b 171923

#4

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Nut,insert,b

Part #171923

This item is not returnable
$6.49
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Spcr,mtl,.32 158370

#112

All parts diagram

Spcr,mtl,.32

Part #158370

This item is not returnable
$2.16
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Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

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Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

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Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your fitness & exercise

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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