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Treadmill

Model # 831248432 Official Proform treadmill

Here are the diagrams and repair parts for Official Proform 831248432 treadmill, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 106 parts  |
Treadmill Walking Belt 270359

#40

All parts diagram

Treadmill walking belt

Part #270359

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$105.19 | 
10% OFF Phone Price : $117.19
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Treadmill Incline Motor Sensor Kit 286707

#NI06

All parts diagram

Treadmill incline motor sensor kit

Part #286707

This item is not returnable
$15.38 | 
12% OFF Phone Price : $17.38
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Treadmill Walking Belt Alignment Tool (replaces 161927) 128457

#44

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Treadmill walking belt alignment tool (replaces 161927)

Part #128457

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
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Treadmill Incline Motor 315689

#49

All parts diagram

Treadmill incline motor

Part #315689

$118.87 | 
9% OFF Phone Price : $130.87
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Toyostove Exercise Equipment Magnet 113842

#32

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Toyostove exercise equipment magnet

Part #113842

This item is not returnable
$2.16
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Image Treadmill Incline Motor Wire Harness, 12-in 211260

#NI05

All parts diagram

Image treadmill incline motor wire harness, 12-in

Part #211260

This item is not returnable
$3.99
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Healthrider Front Wheel 139090

#75

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Healthrider front wheel

Part #139090

This item is not returnable
$2.99
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Upright Grommet 227199

#73

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Upright grommet

Part #227199

This item is not returnable
$2.16
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Black & Decker Exercise Equipment Reed Switch 157504

#33

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Black & decker exercise equipment reed switch

Part #157504

This item is not returnable
$10.99
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Thick Base Pad 307032

#71

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Thick base pad

Part #307032

This item is not returnable
$2.49
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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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