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Weslo
Treadmill

Model # TLTL21040 Official Weslo treadmill

Here are the diagrams and repair parts for Official Weslo TLTL21040 treadmill, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 106 parts  |
Treadmill Safety Key (replaces 125589, 153017) 119038
#10

Unit parts diagram

Treadmill safety key (replaces 125589, 153017)

Part #119038

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This item is not returnable
$3.14
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24% OFF Phone Price : $4.14
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Treadmill Circuit Breaker, 15-amp (replaces 031103, 127202, 173322) 109382
#24

Unit parts diagram

Treadmill circuit breaker, 15-amp (replaces 031103, 127202, 173322)

Part #109382

This item is not returnable
$9.39
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10% OFF Phone Price : $10.39
In Stock
Black & Decker Treadmill Power Cord (replaces 031033, 031143, 031147, 247991) 031229
#25

Unit parts diagram

Black & decker treadmill power cord (replaces 031033, 031143, 031147, 247991)

Part #031229

$11.39
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15% OFF Phone Price : $13.39
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Black & Decker Exercise Equipment Screw 105444
#71

Unit parts diagram

Black & decker exercise equipment screw

Part #105444

This item is not returnable
$2.16
In Stock
Black & Decker Treadmill Washer 014063
#3

Unit parts diagram

Black & decker treadmill washer

Part #014063

This item is not returnable
$2.49
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29% OFF Phone Price : $3.49
In Stock
Exercise Equipment Hex Nut 012056
#38

Unit parts diagram

Exercise equipment hex nut

Part #012056

This item is not returnable
$2.16
In Stock
Nordictrack Exercise Equipment Carriage Bolt 123385
#89

Unit parts diagram

Nordictrack exercise equipment carriage bolt

Part #123385

This item is not returnable
$2.16
In Stock
Exercise Equipment Screw 013162
#47

Unit parts diagram

Exercise equipment screw

Part #013162

This item is not returnable
$2.16
In Stock
Toyostove Exercise Equipment Cable Tie 116926
#67

Unit parts diagram

Toyostove exercise equipment cable tie

Part #116926

This item is not returnable
$2.16
In Stock
Exercise Equipment Hex Nut 012108
#59

Unit parts diagram

Exercise equipment hex nut

Part #012108

This item is not returnable
$2.16
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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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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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 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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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...

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Repair difficulty
Time required
15 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'...

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Repair difficulty
Time required
15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the...

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Repair difficulty
Time required
30 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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