April 19, 2023

Treadmill symptoms

By Lyle Weischwill

Won't power up, walking belt slips and console powers up but the treadmill won't start are three common treadmill problems. If your treadmill isn't working right, use our symptoms and DIY troubleshooting tips to find and correct the problem. Order repair parts by keying your model number into the search bar and finding the parts you need on the treadmill parts diagram. Follow the steps in the treadmill repair guides to install replacement parts so you can get back to your workout.

treadmill

Symptoms common to all treadmills

Choose a symptom to see related treadmill repairs.

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
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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 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 control board
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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.

June 1, 2015

How to replace a treadmill motor controller

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
June 1, 2015

How to replace a treadmill walking belt

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

How to replace a treadmill drive motor

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 for treadmills

Use the advice and tips in these articles and videos to get the most out of your treadmill.

August 30, 2022

How to enjoy all the online benefits we offer on our Sears PartsDirect website

By Lyle Weischwill
How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.

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June 29, 2022

Top questions about Sears and Sears PartsDirect

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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May 10, 2015

How to maintain a treadmill

By Lyle Weischwill
How to maintain a treadmill

Keep your treadmill in shape by following these tips.

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