Carrier
Air Handler

Model # 40BNQ024301 Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier 40BNQ024301 air handler, 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 29 parts  |

Fan Motor 51301334200
#6

Air handler diagram

Fan motor

Part #51301334200

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

Ext. Cable 51308971920
#28

Air handler diagram

Ext. cable

Part #51308971920

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

Capacitor 51301860200
#13

Air handler diagram

Capacitor

Part #51301860200

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

Blower Wheel 51302132800
#29

Air handler diagram

Blower wheel

Part #51302132800

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

Bracket Unit Mounting 51304478800
#1

Air handler diagram

Bracket unit mounting

Part #51304478800

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

Air Filter 51301292800
#20

Air handler diagram

Air filter

Part #51301292800

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

Cable 51303540900
#30

Air handler diagram

Cable

Part #51303540900

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

Capacitor 51301840015
#16

Air handler diagram

Capacitor

Part #51301840015

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

Cable 51307914600
#12

Air handler diagram

Cable

Part #51307914600

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

Sensor 51303502790
#25

Air handler diagram

Sensor

Part #51303502790

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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a door gasket in a top-freezer refrigerator

How to replace a door gasket in a top-freezer refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. It’s easy to replace a worn …

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost heater in a top-freezer refrigerator

How to replace the defrost heater in a top-freezer refrigerator

The refrigerator defrost heater melts frost from the freezer’s evaporator fins. Replace the defrost heater if it doesn't…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your air handlers

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…