Treadmill

Model # RST5.6 Official Horizon treadmill

Here are the diagrams and repair parts for Official Horizon RST5.6 treadmill, as well as links to manuals and error code tables, if available.

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RST5.6 Fitness & Exercise
Power Socket MC0703047A
#P07

Treadmill diagram

Power socket

Part #MC0703047A

Replaced by #019749-A

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Manufacturer substitution
This part replaces MC0703047A. Substitute parts can look different from the original.
This item is not returnable
$9.62
9% OFF Phone Price : $10.62
In Stock
Breaker MC0702011
#P02

Treadmill diagram

Breaker

Part #MC0702011

Replaced by #003346-00

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Manufacturer substitution
This part replaces MC0702011. Substitute parts can look different from the original.
Back Order
Control Board SJED08092GF
#M41

Treadmill diagram

Control board

Part #SJED08092GF

The manufacturer no longer makes this part, and there's no substitute part

Rail Lock MB0643001
#B12

Treadmill diagram

Rail lock

Part #MB0643001

Replaced by #001251-F

?
Manufacturer substitution
This part replaces MB0643001. Substitute parts can look different from the original.
In Stock
Elastomer MB0502018A
#B76

Treadmill diagram

Elastomer

Part #MB0502018A

Replaced by #018951-A

?
Manufacturer substitution
This part replaces MB0502018A. Substitute parts can look different from the original.
In Stock
Belt MD0602023
#R03

Treadmill diagram

Belt

Part #MD0602023

Replaced by #1000109577

?
Manufacturer substitution
This part replaces MD0602023. Substitute parts can look different from the original.
In Stock
Elastomer MB0502016D
#B57

Treadmill diagram

Elastomer

Part #MB0502016D

Replaced by #000767-D

?
Manufacturer substitution
This part replaces MB0502016D. Substitute parts can look different from the original.
$17.69
10% OFF Phone Price : $19.69
In Stock
Screw ME0121007A
#Q25

Treadmill diagram

Screw

Part #ME0121007A

Replaced by #004618-00

?
Manufacturer substitution
This part replaces ME0121007A. Substitute parts can look different from the original.
This item is not returnable
In Stock
Platform MD0701094A
#B27

Treadmill diagram

Platform

Part #MD0701094A

Replaced by #058907-C

?
Manufacturer substitution
This part replaces MD0701094A. Substitute parts can look different from the original.
$177.08
6% OFF Phone Price : $189.08
Back Order
Screw ME0102042
#P33

Treadmill diagram

Screw

Part #ME0102042

Replaced by #004381-00

?
Manufacturer substitution
This part replaces ME0102042. 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

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