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Fitness & Exercise

Model # 402101 Official Proform aero 750 electronic ergometer

Here are the diagrams and repair parts for Official Proform 402101 aero 750 electronic ergometer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 65 parts  |
Magnet,rnd,m 100498
#48

Unit parts diagram

Magnet,rnd,m

Part #100498

Replaced by #113842

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Manufacturer substitution
This part replaces 100498. Substitute parts can look different from the original.
This item is not returnable
$2.16
Back Order
Exercise Equipment Flat Washer 014073
#2

Unit parts diagram

Exercise equipment flat washer

Part #014073

This item is not returnable
$2.16
In Stock
Reebok Exercise Equipment Hex Nut 012111
#29

Unit parts diagram

Reebok exercise equipment hex nut

Part #012111

This item is not returnable
$2.99
In Stock
Exercise Equipment Hex Nut 012169
#3

Unit parts diagram

Exercise equipment hex nut

Part #012169

This item is not returnable
$2.16
In Stock
Brng,608z,se 018007
#6

Unit parts diagram

Brng,608z,se

Part #018007

$7.99
In Stock
Nut,acorn,hc 012120
#32

Unit parts diagram

Nut,acorn,hc

Part #012120

This item is not returnable
$2.16
In Stock
Nordictrack Exercise Equipment Nut 012002
#42

Unit parts diagram

Nordictrack exercise equipment nut

Part #012002

This item is not returnable
$2.16
In Stock
Clip,fan Grd 054035
#49

Unit parts diagram

Clip,fan grd

Part #054035

This item is not returnable
$2.16
In Stock
Wshr,formed, 014100
#33

Unit parts diagram

Wshr,formed,

Part #014100

This item is not returnable
$2.16
In Stock
Carriage Bolt 013092
#36

Unit parts diagram

Carriage bolt

Part #013092

This item is not returnable
$2.16
In Stock

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.…

Read more
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.…

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 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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