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Coleman mobile home furnace...Model number DGAA077BDTB...The furnace about a month ago started going out ( flash code- Combustion Air switch stuck closed)We replaced the thermostat on the wall and it stopped doing it and ran fine then last night it stopped again ( Combustion air switch failed to close) and when i got up the furnace was working and now for the past few hours it refuses to do anything...I am on a very very tight budget...and need some idea of what is wrong and do i need a professional to fix it and is it going to cost lots of money??? Help me please...Than you

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  • Anonymous Nov 08, 2008

    Same problem..In fact we replace the pressure switch and still nothing...Same tight budget and furnace places are telling me that we should replace the furnace...It is not that old....That everyone is switching over to a furnace that will cost 2675.00 ...Can not do...Help

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I had the same errror code on my coleman furnace (3 flashes combustion air switch failed to close) but at first didnt realize there was even a light that gave codes..Anyways long story short, after searching many forums one guy mentioned about the furnace giving a false reading and talked about improper air flow ( coming in and going out) which isnt triggering the switch correctly. After thinking about it and after getting the furnace to run correctly every time I took the door off to tap on the switch (and other spots not knowing what the problem was yet) I always put the door right back on then the furnace would do the same thing (stop running). so I pulled the door off again got the furnace to work properly and left the door off and tested it. It ran great, it started and stopped like normal for a hour and realized I might not be getting proper air flow. Then I remembered I asked my roommate to change my filters for me while I was gone (which he did) and looked at them while I still had the door off and realized the filters were in backwards! which resticted the air flow so much the switch wouldnt operate fully. so check your air filters, something so stupid almost cost me a house visit by the furnace guy....this may not be everyones problem but maybe I will help someone save a house visit....I still cant believe that was my problem and the furnace is still running great.

Posted on Dec 01, 2009

  • toms mech Nov 15, 2010

    The air filters have nothing to do with the pressure switch.
    Im a heating tech. in upstate ny and have seem this problem many times usually the hoses are lose or plugged but i recently came into one were nether of these were the case real head scratcher. Ended up calling the factory and got to talking with tech he said they've had problems the pressure switches not working right originaly equipeted with a .20wc switch they have switched to a .10wc switch and i suppose that was going to fix it. Didnt try it i talked the customer into a replacing the 2 year old colman that didnt work into a BROAN and she is very happey with her investment.

  • junktrailer Dec 15, 2010

    where does one find this .10wc switch? i have the same prob every year (3yrs in a row) and it looks like its time again

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I followed the instructions on the furnace to reset the ignition switch to off...turn off all electrical power to the furnace...wait 10 minutes...turn on all electrical power & the ignition switch to on...didn't work the first time so I followed the same procedure except this time I also reset the circuit breaker (which was fine anyway) & this time it worked...

Posted on Nov 30, 2008

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My furnace buzzes but dont come on

Posted on Sep 30, 2011

Did you check the air switch hoses. Sometimes debris gets in the line and causes the switch to stick.

Posted on Apr 22, 2008

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I have been having the same problem with the same model for the last 3 years. It doesn't seem like any professional I have called has a clue of how to fix it because everytime I call someone they come out and replace something and then within a couple months the same thing happens again.

Posted on Oct 13, 2009

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Why is it making a very LOUD noise when it first starts filling and doesn't stop. The lights come on but the hum/grateing stays


Check for something stuck in the bottom of the machine where it is not supposed too be. Chicken bones, small items etc can get caught in the pump impeller which is generally protected somewhat by a filter of some sort, but in my own $1500.00 machine, I've had stuff sneak in past the guards. Check your owners manual for instructions on your particular make model number. You didn't post that info, so I could not do a "Google" search for you.

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Hello. I really need the make/model number to help you accurately. However, from the symptoms you're describing, it sounds like the drain pump is jammed. A lot of dishwashers turn on the drain pump first to remove any stagnant water sitting in the bottom of the pump. Then, fresh water is let into the tub, fills to the proper amount, then the main pump starts. The lights flashing are an error code--different combinations of buttons flashing mean different things. On some models, a button light will flash a certain number of times, pause, then flash another number of times. This is a binary code telling the user what is malfunctioning. That's why I need the model number and any other info to help diagnose the issue. Thanks!

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Have a Miele G1220SC dishwasher. It recently developed a strange problem: when switching it on ALL program lights come on and the machine starts taking water. after a while it stops taking water and starts...


follow this steps and fix it. God bless you


Heating Element

If lights are flashing on the control panel, the heating element might have burned out. The heating element heats the water up to operating temperature. After a set amount of time if the temperature isn't reached a light on the control panel might start flashing. The heating element can be checked for continuity with an Ohm meter.






Heating Element Assembly

If lights are flashing on the control panel, the heating element assembly might have burned out. The heating element assembly heats the water up to operating temperature. After a set amount of time if the temperature isn't reached a light on the control panel might start flashing. The heating element assembly can be checked for continuity with an Ohm meter.


Enter your model number to see parts for your dishwasher.
Help me find my model number


Check Fault Codes

If the display lights are flashing and there is an error code in the display window, check the wiring diagram and tech sheet in the dishwasher that will provide information on the fault.


Drain Pump

If lights are flashing on the control panel, the drain pump might not be working properly. For two-wire drain pump motors check them for continuity using an Ohm meter. If it's defective You'll need to replace it. Drain pumps are not repairable.


Enter your model number to see parts for your dishwasher.
Help me find my model number


Touchpad and Control Panel

If the lights are flashing on the display the entire touchpad and control panel assembly might be defective. If the display works but the dishwasher functions are all out of synch, or some of the buttons don't respond properly the entire touchpad and control panel might need to be replaced.


Enter your model number to see parts for your dishwasher.
Help me find my model number


Touchpad

If the display lights are flickering for no reason, the touchpad might need to be replaced. Sometimes when the touchpad is defective the display lights are flashing randomly.

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1 Answer

Why won't my Kenmore dishwasher display work properly?


follow this steps and fix it. God bless you


Heating Element

If lights are flashing on the control panel, the heating element might have burned out. The heating element heats the water up to operating temperature. After a set amount of time if the temperature isn't reached a light on the control panel might start flashing. The heating element can be checked for continuity with an Ohm meter.


Enter your model number to see parts for your dishwasher.
Help me find my model number


Heating Element Assembly

If lights are flashing on the control panel, the heating element assembly might have burned out. The heating element assembly heats the water up to operating temperature. After a set amount of time if the temperature isn't reached a light on the control panel might start flashing. The heating element assembly can be checked for continuity with an Ohm meter.


Enter your model number to see parts for your dishwasher.
Help me find my model number


Check Fault Codes

If the display lights are flashing and there is an error code in the display window, check the wiring diagram and tech sheet in the dishwasher that will provide information on the fault.


Drain Pump

If lights are flashing on the control panel, the drain pump might not be working properly. For two-wire drain pump motors check them for continuity using an Ohm meter. If it's defective You'll need to replace it. Drain pumps are not repairable.


Enter your model number to see parts for your dishwasher.
Help me find my model number


Touchpad and Control Panel

If the lights are flashing on the display the entire touchpad and control panel assembly might be defective. If the display works but the dishwasher functions are all out of synch, or some of the buttons don't respond properly the entire touchpad and control panel might need to be replaced.


Enter your model number to see parts for your dishwasher.
Help me find my model number


Touchpad

If the display lights are flickering for no reason, the touchpad might need to be replaced. Sometimes when the touchpad is defective the display lights are flashing randomly.

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1 Answer

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I can't find you model on the JennAir site not on SearsPartsDirect, so can't help you much further. If you want to confirm your model number, then I'll look deeper.

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