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Carrier
Central Air Conditioner

Model # 38BNQ009100 Official Carrier heat pump

Here are the diagrams and repair parts for Official Carrier 38BNQ009100 heat pump, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 33 parts  |
Side Support,fan Motor 51304466800
#9

Heat pump diagram

Side support,fan motor

Part #51304466800

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

4-way Valve Assembly 51305890370
#7

Heat pump diagram

4-way valve assembly

Part #51305890370

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

Box Assembly 51308396000
#21

Heat pump diagram

Box assembly

Part #51308396000

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

Back Cover,coil 51301276200
#18

Heat pump diagram

Back cover,coil

Part #51301276200

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

Fan Motor Capacitor 51301830800
Fan motor capacitor

Part #51301830800

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

Power Supply 51303525100
Power supply

Part #51303525100

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

Terminal Board 51302050800
#21F

Connection box diagram

Terminal board

Part #51302050800

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

Relay Assembly 51303512900
#21E

Connection box diagram

Relay assembly

Part #51303512900

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

Front Cover 51301276100
#10

Heat pump diagram

Front cover

Part #51301276100

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

Sensor 51303502110
#3

Heat pump diagram

Sensor

Part #51303502110

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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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 walk-behind lawn mower.

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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

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Top questions about Sears and Sears PartsDirect

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