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Carrier
Central Air Conditioner

Model # 38TPA030 SERIES300 Official Carrier condensing unit

Here are the diagrams and repair parts for Official Carrier 38TPA030-SERIES300 condensing unit, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 67 parts  |
Capactr Dual P291-3554RS
#40

Control asy diagram

Capactr dual

Part #P291-3554RS

Replaced by #CAP050350440RSP

?
Manufacturer substitution
This part replaces P291-3554RS. Substitute parts can look different from the original.
This item is not returnable
$33.18 | 
15% OFF Phone Price : $39.18
In Stock
Cap 320238-401
Cap

Part #320238-401

Replaced by #330798-7011

?
Manufacturer substitution
This part replaces 320238-401. Substitute parts can look different from the original.
$29.24
In Stock
Grille 320232-401
Grille

Part #320232-401

$774.40
In Stock
Panel, Acc 312226-754
#3

Outside view 2 diagram

Panel, acc

Part #312226-754

$55.24
In Stock
Lug HY90AZ009
#42

Control asy diagram

Lug

Part #HY90AZ009

$8.23
In Stock
Grommet KA56GR140
#48

Outside view 1 diagram

Grommet

Part #KA56GR140

This item is not returnable
$2.97
In Stock
Liquidline KH43LG074
#60

Compressor asy diagram

Liquidline

Part #KH43LG074

$114.76
In Stock
Grommet KA56TR057
#28

Compressor asy diagram

Grommet

Part #KA56TR057

This item is not returnable
$4.89
In Stock
Sw Temp Ac HH18HA285
#NI

Outside view 1 diagram

Sw temp ac

Part #HH18HA285

$22.27
In Stock
Delay Kit KAATD0101TDR
#NI

Outside view 1 diagram

Delay kit

Part #KAATD0101TDR

$403.47
In Stock

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

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Why is water leaking into the house from my window air conditioner?

Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …

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Why your window AC compressor is not turning on?

Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…

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Why does my window air conditioner's compressor hum but not work?

Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…

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Why are my window air conditioner's evaporator fins iced up?

Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…

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Why won't water draining from my window air conditioner?

Main causes: clogged drain hole, air conditioner not leveled properly…

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Why won't my window air conditioner start?

Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…

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Repair guides for window air conditioners

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

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How to replace a window air conditioner ambient thermistor

How to replace a window air conditioner ambient thermistor

If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse…

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Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner user interface control board

How to replace a window air conditioner user interface control board

Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace i…

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Repair difficulty
Time required
 30 minutes or less
How to replace a window air conditioner electronic control board

How to replace a window air conditioner electronic control board

The electronic control board is the brain of your window air conditioner. Here’s how to replace it.…

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Repair difficulty
Time required
 45 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 window air conditioner.

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Maintaining your air conditioner

Maintaining your air conditioner

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

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