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Treadmill

Model # 831295550 Official Proform treadmill

Here are the diagrams and repair parts for Official Proform 831295550 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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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 138 parts  |
Treadmill Walking Belt Alignment Tool (replaces 161927) 128457
Treadmill walking belt alignment tool (replaces 161927)

Part #128457

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Kit,wlk-blt, 202557

#NI38

All parts diagram

Kit,wlk-blt,

Part #202557

Replaced by #219170

?
Manufacturer substitution
This part replaces 202557. Substitute parts can look different from the original.
$23.69 | 
20% OFF Phone Price : $29.69
In Stock
Treadmill Transport Wheel 199545
Treadmill transport wheel

Part #199545

This item is not returnable
$2.99
In Stock
Magnet,rnd,m 100498
#18

Treadmill assembly diagram

Magnet,rnd,m

Part #100498

Replaced by #113842

?
Manufacturer substitution
This part replaces 100498. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Proform Treadmill Drive Belt 220769
#3

Treadmill assembly diagram

Proform treadmill drive belt

Part #220769

This item is not returnable
$15.29 | 
12% OFF Phone Price : $17.29
In Stock
Image Treadmill Incline Motor Wire Harness, 12-in 211260
#56

Treadmill assembly diagram

Image treadmill incline motor wire harness, 12-in

Part #211260

This item is not returnable
$3.99
In Stock
Toyostove Treadmill Circuit Breaker 186726
#78

Treadmill assembly diagram

Toyostove treadmill circuit breaker

Part #186726

This item is not returnable
$8.99
In Stock
Weider Exercise Equipment Optic Sensor 102955
#107

Treadmill assembly diagram

Weider exercise equipment optic sensor

Part #102955

This item is not returnable
$9.29 | 
10% OFF Phone Price : $10.29
In Stock
Lifestyler Exercise Equipment Screw 146427
#55

Treadmill assembly diagram

Lifestyler exercise equipment screw

Part #146427

This item is not returnable
$2.16
In Stock
Exercise Equipment Screw 013576
Exercise equipment screw

Part #013576

This item is not returnable
$2.16
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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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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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 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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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…

Read more
Repair difficulty
Time required
 15 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'…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Read more
Repair difficulty
Time required
 30 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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