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HVAC Furnace Error Codes Lookup — All Major Brands

Is your furnace flashing a fault code? Find your brand below to decode what the LED pattern means, identify common causes, and get fix steps. We cover the five biggest North American HVAC brands plus their sister labels.

Choose Your Brand

Carrier

Includes Bryant, Payne
8 codes documented

Trane

Includes American Standard
8 codes documented

Lennox

Includes Armstrong Air, Aire-Flo, Ducane
9 codes documented

Goodman

Includes Amana, Daikin
9 codes documented

York

Includes Coleman, Luxaire
12 codes documented

Rheem

Includes Ruud
10 codes documented

Heil

Includes Tempstar, Comfortmaker, Keeprite, ICP, Day & Night, Arcoaire
7 codes documented

Tempstar

Includes Heil, Comfortmaker, Keeprite, ICP, Day & Night, Arcoaire
7 codes documented

Comfortmaker

Includes Heil, Tempstar, Keeprite, ICP, Day & Night, Arcoaire
7 codes documented

Nordyne

Includes Frigidaire, Maytag, Westinghouse, Tappan, Gibson, Intertherm, NuTone, Miller, Broan
8 codes documented

Frigidaire

Includes Nordyne, Maytag, Westinghouse, Tappan, Gibson, Intertherm
8 codes documented

Maytag

Includes Nordyne, Frigidaire, Westinghouse, Tappan, Gibson, Intertherm
8 codes documented

Westinghouse

Includes Nordyne, Frigidaire, Maytag, Tappan, Gibson, Intertherm
8 codes documented

Ruud

Includes Rheem
14 codes documented

Bryant

Includes Carrier, Payne
11 codes documented

American Standard

Includes Trane
8 codes documented

Amana

Includes Goodman, Daikin
9 codes documented

Coleman

Includes York, Luxaire
12 codes documented

Tappan

Includes Nordyne, Frigidaire, Maytag, Westinghouse, Gibson
8 codes documented

Gibson

Includes Nordyne, Frigidaire, Maytag, Westinghouse, Tappan
8 codes documented

Intertherm

Includes Nordyne, Frigidaire, Maytag, Tappan, Gibson, Miller
8 codes documented

Payne

Includes Carrier, Bryant
11 codes documented

Armstrong Air

Includes Lennox, Aire-Flo, Ducane
9 codes documented

Aire-Flo

Includes Lennox, Armstrong Air, Ducane
9 codes documented

Ducane

Includes Lennox, Armstrong Air, Aire-Flo
9 codes documented

Daikin

Includes Goodman, Amana
9 codes documented

Luxaire

Includes York, Coleman
12 codes documented

Day & Night

Includes Heil, Tempstar, Comfortmaker, Keeprite, ICP, Arcoaire
8 codes documented

Arcoaire

Includes Heil, Tempstar, Comfortmaker, Keeprite, ICP, Day & Night
8 codes documented

Keeprite

Includes Heil, Tempstar, Comfortmaker, ICP, Day & Night, Arcoaire
8 codes documented

NuTone

Includes Nordyne, Frigidaire, Maytag, Westinghouse, Tappan, Gibson
8 codes documented

Miller

Includes Nordyne, Frigidaire, Maytag, Intertherm, Tappan, Gibson
8 codes documented

Broan

Includes Nordyne, Frigidaire, Maytag, Westinghouse, Tappan, Gibson
8 codes documented

Concord

Includes Lennox, Armstrong Air, Aire-Flo, Ducane
9 codes documented

Allied Air

Includes Lennox, Armstrong Air, Aire-Flo, Ducane, Concord
9 codes documented

Janitrol

Includes Goodman, Amana, Daikin
9 codes documented

ICP

Includes Heil, Tempstar, Comfortmaker, Keeprite, Day & Night, Arcoaire
8 codes documented

Don't Know Your Code?

Use our symptom-based diagnostic tool to find the root cause by what your furnace is actually doing, not by error code.

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