Horizon
Treadmill

Model # 930T Official Horizon treadmill

Here are the diagrams and repair parts for Official Horizon 930T 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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Showing 10 of 122 parts  |

Breaker MC0702011
#P12

Treadmill diagram

Breaker

Part #MC0702011

Replaced by #003346-00

?
Manufacturer substitution
This part replaces MC0702011. Substitute parts can look different from the original.
In Stock
T-wrench MZE1002003
#KIT

Treadmill diagram

T-wrench

Part #MZE1002003

Replaced by #005393-00

?
Manufacturer substitution
This part replaces MZE1002003. Substitute parts can look different from the original.
Back Order
Sensor MC0510031D
#P14

Treadmill diagram

Sensor

Part #MC0510031D

Replaced by #002248-D

?
Manufacturer substitution
This part replaces MC0510031D. Substitute parts can look different from the original.
In Stock
Nylon Nut ME0204025
#B32

Treadmill diagram

Nylon nut

Part #ME0204025

Replaced by #004941-00

?
Manufacturer substitution
This part replaces ME0204025. Substitute parts can look different from the original.
This item is not returnable
In Stock
Screw MZE0112038
#B19

Treadmill diagram

Screw

Part #MZE0112038

Replaced by #004728-00

?
Manufacturer substitution
This part replaces MZE0112038. Substitute parts can look different from the original.
This item is not returnable
In Stock
Core MC0704005
#M22

Treadmill diagram

Core

Part #MC0704005

Replaced by #003386-A

?
Manufacturer substitution
This part replaces MC0704005. Substitute parts can look different from the original.
In Stock
Screw MZE0102008
Screw

Part #MZE0102008

Replaced by #004355-00

?
Manufacturer substitution
This part replaces MZE0102008. Substitute parts can look different from the original.
This item is not returnable
In Stock
Deck Bolt MZE0105005
#B18

Treadmill diagram

Deck bolt

Part #MZE0105005

Replaced by #004562-00

?
Manufacturer substitution
This part replaces MZE0105005. Substitute parts can look different from the original.
This item is not returnable
In Stock
Screw MZE0108026
#N21

Treadmill diagram

Screw

Part #MZE0108026

Replaced by #020210-00

?
Manufacturer substitution
This part replaces MZE0108026. Substitute parts can look different from the original.
This item is not returnable
In Stock
Washer MZE0502243
#H14

Treadmill diagram

Washer

Part #MZE0502243

Replaced by #020481-00

?
Manufacturer substitution
This part replaces MZE0502243. Substitute parts can look different from the original.
This item is not returnable
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Repair guides for treadmills

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

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…

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'…

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…

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.

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.…