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Treadmill

Model # 831296051 Official Proform xp 550e treadmill

Here are the diagrams and repair parts for Official Proform 831296051 xp 550e 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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PART LIST
Showing 10 of 129 parts  |
Treadmill Walking Belt Alignment Tool (replaces 161927)
Treadmill walking belt alignment tool (replaces 161927)

Part #128457

BEST SELLER
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Exercise Equipment Lubricating Grease

#NI10

All parts diagram

Exercise equipment lubricating grease

Part #104838

BEST SELLER
This item is not returnable
$3.89 | 
20% OFF Phone Price : $4.89
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Treadmill Power Cord (replaces 031033, 031143, 031147, 247991)

#49

All parts diagram

Treadmill power cord (replaces 031033, 031143, 031147, 247991)

Part #031229

$11.39 | 
15% OFF Phone Price : $13.39
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Exercise Equipment Screw

#62

All parts diagram

Exercise equipment screw

Part #105444

This item is not returnable
$2.16
In Stock
Exercise Equipment Optic Sensor

#98

All parts diagram

Exercise equipment optic sensor

Part #102955

This item is not returnable
$9.29 | 
10% OFF Phone Price : $10.29
In Stock
Belt Guide

#14

All parts diagram

Belt guide

Part #198639

This item is not returnable
$2.16
In Stock
Exercise Equipment Magnet

#19

All parts diagram

Exercise equipment magnet

Part #113842

This item is not returnable
$2.16
In Stock
Nut,hex Nyl

#85

All parts diagram

Nut,hex nyl

Part #012090

The manufacturer no longer makes this part, and there's no substitute part

Treadmill Walking Board

#13

All parts diagram

Treadmill walking board

Part #235103

This item is not returnable
$92.09 | 
5% OFF Phone Price : $97.09
In Stock
Exercise Equipment Screw

#10

All parts diagram

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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April 19, 2023

Why won't my treadmill power up?

By Lyle Weischwill

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

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April 19, 2023

Why is my treadmill's walking belt off center?

By Lyle Weischwill

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

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April 19, 2023

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

By Lyle Weischwill

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

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April 19, 2023

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

By Lyle Weischwill

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

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April 19, 2023

Why does my treadmill have no display?

By Lyle Weischwill

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

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April 19, 2023

Why does my treadmill's walking belt slow down?

By Lyle Weischwill

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

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April 19, 2023

Why is my treadmill's walking belt slipping?

By Wayne Archer

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

Read more

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
June 01, 2015
By Lyle Weischwill

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
June 01, 2015

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
June 01, 2015
By Lyle Weischwill

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

Articles and videos common to all 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
June 29, 2022
By Lyle Weischwill

Top questions about Sears and Sears PartsDirect

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

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