Carrier
Air Handler

Model # FB4BNF018000AAAA Official Carrier fan coil

Here are the diagrams and repair parts for Official Carrier FB4BNF018000AAAA fan coil, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 39 parts  |

Capactr Run P291-0503
#32B

Cabinet assy 1 diagram

Capactr run

Part #P291-0503

Replaced by #12005

?
Manufacturer substitution
This part replaces P291-0503. Substitute parts can look different from the original.
$16.49
11% OFF Phone Price : $18.49
In Stock
Central Air Conditioner Air Handler Fan Control Board HK61EA006
Central air conditioner air handler fan control board

Part #HK61EA006

This item is not returnable
$93.96
6% OFF Phone Price : $99.96
In Stock
Central Air Conditioner Air Handler Transformer (replaces Ht01bd208) HT01CN241
Central air conditioner air handler transformer (replaces ht01bd208)

Part #HT01CN241

In Stock
Bracket 314900-201
#6

Cabinet assy 2 diagram

Bracket

Part #314900-201

In Stock
Channel 316808-301
#47

Coil assy diagram

Channel

Part #316808-301

This item is not returnable
In Stock
Distr Liqd 319072-402
#49

Coil assy diagram

Distr liqd

Part #319072-402

In Stock
Connector HY90AZ021
Connector

Part #HY90AZ021

This item is not returnable
In Stock
Carrier Central Air Conditioner Air Handler Blower Motor HC37AE198
#32A

Cabinet assy 1 diagram

Carrier central air conditioner air handler blower motor

Part #HC37AE198

In Stock
Paint 661858
#NI

Cabinet assy 1 diagram

Paint

Part #661858

In Stock
Plate Htr 314895-405
#4

Cabinet assy 1 diagram

Plate htr

Part #314895-405

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your air handlers

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

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.…