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Carrier
Central Air Conditioner

Model # 38TKB030 SERIES300 Official Carrier condensing unit

Here are the diagrams and repair parts for Official Carrier 38TKB030-SERIES300 condensing unit, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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Showing 10 of 55 parts  |
Capactr Dual P291-3553RS
#26

Control box/cover diagram

Capactr dual

Part #P291-3553RS

Replaced by #CAP050300440RSP

?
Manufacturer substitution
This part replaces P291-3553RS. Substitute parts can look different from the original.
This item is not returnable
$34.08 | 
15% OFF Phone Price : $40.08
In Stock
Carrier Start Assist Ptc Kit KAACS0201PTC
#NI

Inlet grille/service panel diagram

Carrier start assist ptc kit

Part #KAACS0201PTC

$242.33
In Stock
Payne Fan LA01RA015
#41

Fan blade/pan base diagram

Payne fan

Part #LA01RA015

$78.73 | 
7% OFF Phone Price : $84.73
In Stock
Cap Kit 328963-752
#55

Stem cap/compressor plug diagram

Cap kit

Part #328963-752

$110.80
In Stock
Grommet KA56GR140
#9

Inlet grille/service panel diagram

Grommet

Part #KA56GR140

This item is not returnable
$2.97
In Stock
Cap,stem 328963-751
#54

Stem cap/compressor plug diagram

Cap,stem

Part #328963-751

$108.28
In Stock
Panel,acce 312226-756
#5

Top/control box cover diagram

Panel,acce

Part #312226-756

$232.24
In Stock
Panel,serv 312229-705138
#3

Inlet grille/service panel diagram

Panel,serv

Part #312229-705138

$296.20
In Stock
Paint 313974-755
#NI

Inlet grille/service panel diagram

Paint

Part #313974-755

$59.69
In Stock
Grommet P041-5102
Grommet

Part #P041-5102

This item is not returnable
$4.66
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…

Read more
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'…

Read more
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…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your central air conditioners

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

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Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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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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