NordicTrack
Treadmill

Model #831293070 Official NordicTrack c1800 treadmill

Here are the diagrams and repair parts for NordicTrack 831293070 c1800 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Showing 10 of 163 parts

Treadmill Power Cord (replaces 031033, 031143, 031147, 247991)

#42

All parts Diagram

In Stock
$11.39 | 
15% OFF 
Phone Price: $13.39
Treadmill Drive Belt

#18

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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
Back Order
$15.29 | 
12% OFF 
Phone Price: $17.29
Treadmill Washer

#34

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Treadmill washer

Part #014063
This item is not returnable
In Stock
$1.49 | 
40% OFF 
Phone Price: $2.49
Treadmill Front Roller and Pulley

#8

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In Stock
$57.69 | 
8% OFF 
Phone Price: $62.69
Exercise Equipment Rubber Pad

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Exercise equipment rubber pad

Part #157600
This item is not returnable
In Stock
$2.16
Treadmill Safety Key Assembly

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Treadmill safety key assembly

Part #160695
This item is not returnable
Back Order
$5.99
Metal Bushing

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Metal bushing

Part #188883
This item is not returnable
In Stock
$2.16
Plastic Spacer

#65

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Plastic spacer

Part #160400
This item is not returnable
In Stock
$2.99
Chest Pulse Strap

#NI36

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Chest pulse strap

Part #165831
In Stock
$11.99
Exercise Equipment Star Washer

#112

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Exercise equipment star washer

Part #136121
This item is not returnable
In Stock
$2.16

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: faulty sensors, wiring failure, bad control console
Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor control board
Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor
Main causes: bad control console, wiring failure, bad motor control board
Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor
Main causes: damaged walking belt, improper belt tension, bad roller bearing
Main causes: rear roller out of alignment, damaged walking belt, bad roller

Repair guides for treadmills

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

June 1, 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 motor correctly.

Repair difficulty
Time required
 15 minutes or less
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 these steps.

Repair difficulty
Time required
 45 minutes or less
June 1, 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't run.

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.

June 29, 2022

Top questions about Sears and Sears PartsDirect

By Lyle Weischwill

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