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Elliptical Machine

Model # 831238903 Official Proform elliptical

Here are the diagrams and repair parts for Official Proform 831238903 elliptical, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 134 parts  |
Black & Decker Exercise Equipment Lubricating Grease 104838

#NI05

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 Rubber Pad 157600

#85

All parts diagram

Toyostove exercise equipment rubber pad

Part #157600

This item is not returnable
$2.16
In Stock
Leveling Foot 237631

#62

All parts diagram

Leveling foot

Part #237631

This item is not returnable
$6.99
In Stock
Upper Wire 372406

#94

All parts diagram

Upper wire

Part #372406

$30.49
In Stock
Ground Cable Loom (2) 268986

#NI04

All parts diagram

Ground cable loom (2)

Part #268986

This item is not returnable
$2.16
In Stock
Weslo Endcap,int,m 153209

#18

All parts diagram

Weslo endcap,int,m

Part #153209

This item is not returnable
$2.16
In Stock
Elliptical Adjustment Block 303952

#47

All parts diagram

Elliptical adjustment block

Part #303952

This item is not returnable
$4.99
In Stock
Exercise Cycle Optional Power Supply 337717

#NI13

All parts diagram

Exercise cycle optional power supply

Part #337717

$49.48 | 
11% OFF Phone Price : $55.48
In Stock
M8 X 14mm Shoulder Screw (6) 347975

#86

All parts diagram

M8 x 14mm shoulder screw (6)

Part #347975

This item is not returnable
$6.49
In Stock
Pivot Cover (6) 372122

#83

All parts diagram

Pivot cover (6)

Part #372122

This item is not returnable
$2.16
In Stock

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Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

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Why does my elliptical make squeaking noises?

Main cause: lack of lubrication on pivot points…

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Why does my elliptical display the wrong speed?

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console…

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Why can't my elliptical detect my heart rate?

Main causes: dirty heart rate sensors, wiring failure, bad control console…

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Why won't my elliptical's console turn on?

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

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How do I tighten elliptical handle bars?

Main causes: loose fastening bolts, damaged handle bars…

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Why is my elliptical's console display dim?

Main causes: weak batteries, loose wires, faulty control console…

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Why does my elliptical rock?

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring…

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Why won't my elliptical's pedal resistance change?

Main causes: bad resistance motor, faulty control console, wiring failure…

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Repair guides for elliptical machines

These step-by-step repair guides will help you safely fix what’s broken on your elliptical.

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How to replace an elliptical resistance motor

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.…

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Repair difficulty
Time required
 15 minutes or less
How to adjust an elliptical reed switch

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.…

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Repair difficulty
Time required
 15 minutes or less
How to replace an elliptical console

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps.…

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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 elliptical.

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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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