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Treadmill

Model # 831248031 Official Proform treadmill

Here are the diagrams and repair parts for Official Proform 831248031 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 124 parts  |
Treadmill Drive Motor 248570

#79

All parts diagram

Treadmill drive motor

Part #248570

Replaced by #405691

?
Manufacturer substitution
This part replaces 248570. Substitute parts can look different from the original.
BEST SELLER
$158.22 | 
7% OFF Phone Price : $170.22
In Stock
Treadmill Walking Belt Alignment Tool (replaces 161927) 128457

#43

All parts diagram

Treadmill walking belt alignment tool (replaces 161927)

Part #128457

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Treadmill Walking Belt Lubricant, 3-pack (replaces 202557, 219897) 219170

#NI14

All parts diagram

Treadmill walking belt lubricant, 3-pack (replaces 202557, 219897)

Part #219170

$23.69 | 
20% OFF Phone Price : $29.69
In Stock
Black & Decker Treadmill Power Cord (replaces 031033, 031143, 031147, 247991) 031229

#90

All parts diagram

Black & decker treadmill power cord (replaces 031033, 031143, 031147, 247991)

Part #031229

$11.39 | 
15% OFF Phone Price : $13.39
In Stock
Treadmill Motor Control Board 264597

#87

All parts diagram

Treadmill motor control board

Part #264597

Replaced by #409595

?
Manufacturer substitution
This part replaces 264597. Substitute parts can look different from the original.
$90.85 | 
6% OFF Phone Price : $96.85
In Stock
Black & Decker Exercise Equipment Lubricating Grease 104838

#NI06

All parts diagram

Black & decker exercise equipment lubricating grease

Part #104838

This item is not returnable
$3.89 | 
20% OFF Phone Price : $4.89
In Stock
Toyostove Exercise Equipment Magnet 113842

#62

All parts diagram

Toyostove exercise equipment magnet

Part #113842

This item is not returnable
$2.16
In Stock
Toyostove Treadmill Circuit Breaker 186726

#37

All parts diagram

Toyostove treadmill circuit breaker

Part #186726

This item is not returnable
$8.99
In Stock
Treadmill Walking Belt (replaces 254318) 272801

#76

All parts diagram

Treadmill walking belt (replaces 254318)

Part #272801

$112.99
In Stock
Toyostove Elliptical Nut 148710

#16

All parts diagram

Toyostove elliptical nut

Part #148710

This item is not returnable
$2.16
In Stock

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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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