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Carrier
Air Handler

Model # FC4DNF018000 Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier FC4DNF018000 air handler, as well as links to manuals and error code tables, if available.

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 84 parts  |
Latch 314875-201
#12

Outside cabinet diagram

Latch

Part #314875-201

This item is not returnable
$2.16
In Stock
Central Air Conditioner Air Handler Fan Control Board HK61EA010
#37

Blower assy diagram

Central air conditioner air handler fan control board

Part #HK61EA010

$123.58 | 
7% OFF Phone Price : $133.58
In Stock
Diode Board HK61EA003
#NI

Outside cabinet diagram

Diode board

Part #HK61EA003

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

Central Air Conditioner Air Handler Transformer (replaces Ht01bd208) HT01CN241
#38

Blower assy diagram

Central air conditioner air handler transformer (replaces ht01bd208)

Part #HT01CN241

$104.52
In Stock
Sw Temp Act HH19ZA955
#NI

Outside cabinet diagram

Sw temp act

Part #HH19ZA955

$34.49
In Stock
Element 320074-701
#NI

Outside cabinet diagram

Element

Part #320074-701

$144.37 | 
6% OFF Phone Price : $154.37
In Stock
Seal Cb 328443-401
#NI

Outside cabinet diagram

Seal cb

Part #328443-401

$50.13
In Stock
Carrier 10kw1ph Fused Electric Htr KFCEH2601C10
#NI

Outside cabinet diagram

Carrier 10kw1ph fused electric htr

Part #KFCEH2601C10

$648.27
In Stock
Furnace Temperature Limit Switch HH19ZA950
#NI

Outside cabinet diagram

Furnace temperature limit switch

Part #HH19ZA950

$63.98 | 
7% OFF Phone Price : $68.98
In Stock
Carrier 8kw1ph Non-fused Electric Htr KFCEH0801N08
#NI

Outside cabinet diagram

Carrier 8kw1ph non-fused electric htr

Part #KFCEH0801N08

$446.53
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Repair guides for treadmills

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

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

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Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

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Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

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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 treadmill.

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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.…

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