Model # FX4CNF042000 Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier FX4CNF042000 air handler, 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.

Installation guide

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 165 parts |

#NI

Cabinet parts diagram

Cover c.b.

Part #323437-404

$470.03

In Stock

Qty

Blower assy diagram

Bracket

Part #314900-203

$17.49

In Stock

Qty

Cabinet parts diagram

Grommet

Part #314987-201

$10.91

In Stock

Qty

#NI

Cabinet parts diagram

Fuse hold

Part #HY11UM461

$199.86

In Stock

Qty

#NI

Cabinet parts diagram

Bolt

Part #07-1824

This item is not returnable

$2.94

In Stock

Qty

Furnace Temperature Limit Switch HH19ZA950

#NI

Cabinet parts diagram

Furnace temperature limit switch

Part #HH19ZA950

$63.98 |

9% OFF Phone Price : $69.98

In Stock

Qty

Carrier 8kw1ph Non-fused Electric Htr KFCEH0801N08

#NI

Cabinet parts diagram

Carrier 8kw1ph non-fused electric htr

Part #KFCEH0801N08

$446.53

In Stock

Qty

#NI

Cabinet parts diagram

Element

Part #320074-702

$193.38

In Stock

Qty

#NI

Cabinet parts diagram

Harness

Part #328609-701

$186.22

In Stock

Qty

#NI

Cabinet parts diagram

Mtr mnt band

Part #P251-0078

$24.58

In Stock

Qty

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

View all

Why does my elliptical make squeaking noises?

Main cause: lack of lubrication on pivot points…

Why does my elliptical display the wrong speed?

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console…

Why can't my elliptical detect my heart rate?

Main causes: dirty heart rate sensors, wiring failure, bad control console…

Why won't my elliptical's console turn on?

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

How do I tighten elliptical handle bars?

Main causes: loose fastening bolts, damaged handle bars…

Why is my elliptical's console display dim?

Main causes: weak batteries, loose wires, faulty control console…

Why does my elliptical rock?

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring…

Why won't my elliptical's pedal resistance change?

Main causes: bad resistance motor, faulty control console, wiring failure…

Repair guides for elliptical machines

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

View all

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.…

Repair difficulty

Time required

15 minutes or less

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.…

Repair difficulty

Time required

15 minutes or less

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps.…

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 elliptical.

View all

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.…

Model # FX4CNF042000 Official Carrier air handler

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for elliptical machines

Why does my elliptical make squeaking noises?

Why does my elliptical display the wrong speed?

Why can't my elliptical detect my heart rate?

Why won't my elliptical's console turn on?

How do I tighten elliptical handle bars?

Why is my elliptical's console display dim?

Why does my elliptical rock?

Why won't my elliptical's pedal resistance change?

Repair guides for elliptical machines

How to replace an elliptical resistance motor

How to adjust an elliptical reed switch

How to replace an elliptical console

Effective articles & videos to help repair your air handlers

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

Parts & More

Stay Connected

Quick links

Let us help you

More resources