Model #DGAT090BDD COLEMAN / EVCON IND. Furnaces/Heaters

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Question and Answers

Q:

Furnace Recycling DGAT090BDD Coleman / Evcon Ind. Furnace

A:

It can be costly to have the Coleman furnace constantly running and managemylife.com is here to help lower those costs. I am providing a link on a similar issue which may be helpful while an expert responds to your specific model. If you decide on service, this link is also available.

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Anna T -
January 22, 2013
A:

It wouldn't be a limit switch. If a safety was tripping or was being a problem the furnace would not run at all.

What kind of thermostat do you have?

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Andrew D -
Sears Technician
January 22, 2013
A:

I have a manual Evcon. The label inside the cover says: Evcon 7990-368, type 1C26-15, REL. A.

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RUSS -
January 22, 2013
A:

What has the temperature been like recently? If it has been extremely cold then it's likely the thermostat is just being affected by the really low temps. If it has not been extremely cold or freezing outside it if the thermostat.

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Andrew D -
Sears Technician
January 22, 2013
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Q:

I have a coleman EVCON heater Model DGAT090BDD

A:

I'm sorry to hear that you are having some difficulties with your Coleman Evcon Furnace. I did some research for you at Managemylife.com and found an expert answer to a similar question that may help until your expert can respond to your specific question. The link is attached below. If you do decide to schedule service and have a qualified technician help you, I have also attached a link to Searshomeservices.com. I hope these links provided assist you.

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James -
November 16, 2011
A:

Thank you for your question. 4 flashes indicates the limit switch is opening. This is caused from the furnace overheating. It could be from the fan not coming on soon enough or not coming on at all. It could also be from the flame over firing. Furnaces can be very dangerous when not working properly. I strongly recommend having a technician check this and make the necessary repair. I'm listing a site you can access, to have a tech come out. Here is a link for the website: Sears Home Services . I hope this will help you. Thank you for using Manage My Life.

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Scott D -
Sears Technician
November 17, 2011
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Q:

What is wrong with this furnace?

A:

One flash indicates ignition failure. There can be several reasons for this:

  • Defective gas valve
  • Low gas pressure
  • Stopped up pilot orifice
  • Defective igniter
  • Open sensor
  • Defective control
I strongly recommend having technician check and repair this furnace.

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Scott D -
Sears Technician
December 04, 2009

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