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Mobile home furnace

Coleman 7900 series propane furnace cycles on and off every 2 minutes

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3 Suggested Answers

  • 70 Answers

SOURCE: Coleman Presidential II mobile home

Is this furnace standing pilot or electronic ignition. If standing pilot i would check furnace filter then the thermastat. To test themostat first turn power off to furnace. Take thermostat off wall and take wires labled R & W and connect them together. If you have electronic ignition I would start with cleaning the flame sensor with steel wool or wire brush.If you have and more questions i will be glad to help.

Posted on Jan 17, 2009

  • 11 Answers

SOURCE: Furnace not cycling properly.

you might want to check the filter, if the filter is restricting the airflow the furnace will over heat and it will shut down. if you turn it off and on it will reset it and it will try again. Pull the filter out half way and try that, if it runs fine then clean the filter or get a less restrictive one.

Posted on Feb 11, 2009

  • 1015 Answers

SOURCE: my coleman 7900 furnace blower cycles on and off

I would look at fan limit switch. They are normally located in electrical cotrol compartment. If your are lucky you will have one thats adjustable. It would helpful if I knew is your home a mobile or modular home as they usually use a button type limit on fan and hi limit. It sounds to me like you may be having problems with fan limit which controls temp. that fan comes on . Often what happens is that switch scenses temp to turn on and then draws cold enough air on return air to shut back down until temp.rises again.If this occurs when unit first comes on or continues after burner shuts off you can get a limit switch with a higher temperature rating or one that has adjustable temperature range. Hope this helps you.Thanks.

Posted on Nov 06, 2010

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I have a 1984 Colman propane furnace that is short cycling


Why does the gas furnace short cycle - YouTube

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Mobile Home Furnace Troubleshooting - Mobile Home Repair

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Jan 17, 2016 | Heaters

1 Answer

My coleman 7900 furnace blower cycles on and off while burner continues to operate


I would look at fan limit switch. They are normally located in electrical cotrol compartment. If your are lucky you will have one thats adjustable. It would helpful if I knew is your home a mobile or modular home as they usually use a button type limit on fan and hi limit. It sounds to me like you may be having problems with fan limit which controls temp. that fan comes on . Often what happens is that switch scenses temp to turn on and then draws cold enough air on return air to shut back down until temp.rises again.If this occurs when unit first comes on or continues after burner shuts off you can get a limit switch with a higher temperature rating or one that has adjustable temperature range. Hope this helps you.Thanks.

Nov 06, 2010 | Coleman Heaters

1 Answer

I have a coleman evcon furnace that wont work. The electrical box green light is not on at all so it cannot pinpoint what the error is. Any thoughts?


Hi, I would just make sure you have power to the furnace. Check breakers or look for the power switch on the electrical box. Also, some mobile homes have a wall switch that cuts power to the furnace.

Jan 16, 2010 | Coleman Propane Forced Air Heater...

1 Answer

What color should the flame be on a coleman


hi the gas goes along aburner tube then comes out of the burner then it hits a baffle in side the heat exchanger as long as there is not sooting the flame will look yellow , i would say the best thing would be to contact the makers of the furnace direct they should have a technical department , they might be able to offer more help or have there own people to look at the heater most of these companys have a warrenty on there heaters

Jan 09, 2010 | Coleman Propane Forced Air Heater...

1 Answer

I JUST BOUGHT A USED COLEMAN EVCON FURNACE MODEL #BGU09516 AND I NEED TO KNOW HOW TO VENT IT. PLEASE HELP, THANKS


It should have a two part chimmney with a 4 inch inner exhaust section and a larger 6 inch outer section that goes over the flange on the top of the furnace. If your existing chimmney does not have this you may have to buy a chimmney kit for a mobile home application.

Dec 11, 2009 | Coleman Propane Forced Air Heater...

1 Answer

Furnace not cycling properly.


you might want to check the filter, if the filter is restricting the airflow the furnace will over heat and it will shut down. if you turn it off and on it will reset it and it will try again. Pull the filter out half way and try that, if it runs fine then clean the filter or get a less restrictive one.

Feb 06, 2009 | Coleman Propane Forced Air Heater...

1 Answer

Need replacement glass for pilot cover of Coleman Presidential II


the glass is there as a service tool to veiw pilot and flame or relite just get a peice of sheet metal and cover hole with it ,it will work short term or long term

Feb 05, 2009 | Coleman Propane Forced Air Heater...

1 Answer

Coleman Presidential II mobile home furnace. When burner lights the blower cycles on and off instead of blowing constant through burner cycle.


Is this furnace standing pilot or electronic ignition. If standing pilot i would check furnace filter then the thermastat. To test themostat first turn power off to furnace. Take thermostat off wall and take wires labled R & W and connect them together. If you have electronic ignition I would start with cleaning the flame sensor with steel wool or wire brush.If you have and more questions i will be glad to help.

Jan 17, 2009 | Coleman Propane Forced Air Heater...

1 Answer

Short cycling


There are a few reasons why your furnace is restarting after it reaches temp. and shuts off. First, if you have a mercury bulb thermostat it needs to be level and the heat anticipator needs set properly. If you have an electronic thermostat then you need to make sure the DIP switch settings inside are set properly for propane. If you have a digital thermostat there are also settings to be made for your type of heating. These settings will be explained in the thermostat installation instructions. Also, Make sure your furnace filter is clean. If this does not help then there are some other things to check which may need to be done by a technician depending on your mechanical aptitude. Hope this helps!

Dec 08, 2008 | Coleman Propane Forced Air Heater...

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