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Proform
Treadmill

Model # 831294251 Official Proform proform 545s treadmill

Here are the diagrams and repair parts for Official Proform 831294251 proform 545s 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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Showing 10 of 165 parts  |
Assy,clip,ro 201576
Assy,clip,ro

Part #201576

Replaced by #208603

?
Manufacturer substitution
This part replaces 201576. Substitute parts can look different from the original.
This item is not returnable
$4.69 | 
18% OFF Phone Price : $5.69
In Stock
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
Magnet,rnd,m 100498

#18

All parts 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
Back Order
Treadmill Drive Motor 198237

#31

All parts diagram

Treadmill drive motor

Part #198237

Replaced by #405589

?
Manufacturer substitution
This part replaces 198237. Substitute parts can look different from the original.
$116.04 | 
9% OFF Phone Price : $128.04
In Stock
Belt 118017

#30

All parts diagram

Belt

Part #118017

Replaced by #220769

?
Manufacturer substitution
This part replaces 118017. Substitute parts can look different from the original.
This item is not returnable
$15.29 | 
12% OFF Phone Price : $17.29
In Stock
Black & Decker Treadmill Transport Wheel 165009

#108

All parts diagram

Black & decker treadmill transport wheel

Part #165009

This item is not returnable
$2.99
In Stock
Weslo Exercise Equipment Screw 130659

#NI11

All parts diagram

Weslo exercise equipment screw

Part #130659

This item is not returnable
$2.16
In Stock
Exercise Equipment Nut 012179

#130

All parts diagram

Exercise equipment nut

Part #012179

This item is not returnable
$2.16
In Stock
Cotter Pin 015044

#102A

All parts diagram

Cotter pin

Part #015044

This item is not returnable
$2.16
In Stock
Lifestyler Exercise Equipment Screw 013607

#NI10

All parts diagram

Lifestyler exercise equipment screw

Part #013607

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock

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…

Read more
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…

Read more
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'…

Read more
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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