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We have a Fedders Model 080N2D furnace which the blower will not come on in auto or just come on. Where would we even find a manual on this old furnace? or how do we troubleshoot to see where the power problem is?

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SOURCE: Coleman mobile home furnace Model

I had a similier problem, Check your neutral ground? also alot of power companies will come out and do a basic check of the voltages going to the furnace, and can offer advice for free.

Posted on Dec 17, 2011

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Furnace is a Rudd UGEB model. Burners ignite and but the blower (squirrel cage) doesn't start. After a couple minutes they turn off and the blower starts and runs for less than a minute and shuts off....


Sounds like the fan limit was not replaced correctly. You can try switching the blower to the On position (instead of Auto), if the furnace runs properly with the blower on that would be the most likely culprit.

Sep 24, 2011 | Ruud UBHC Air Conditioner

1 Answer

I installed an RTH2300 this winter to replace an old mercury thermostat. It worked fine for the heating season. I turned it to Cool for the first time today and my AC and furnace blower will not turn...


Maybe turn selector switch to off.see if every thing shuts off.if yes. turn FAN selector switch from (auto) to (on) mode.does the outside unit come on or does just the furnace blower only run ? the inside fan should be the ONLY thing on.if not, reverse the (G) & (Y) wires inside the new thermo.

Jun 07, 2011 | Air Conditioners

1 Answer

Flame comes on in burner. Fan in auto does not come on , Fan in manual does. I figure the switch to tell the fan the box is hot is bad ?


Ken,
First of all what kind of furnace is this?? always post model and Manufacturer of furnace. This helps us techs. narrow the problems down ok. Next, It sounds to me like maybe the blower motor itself might have a bad winding it it, or not coming on in the heat mode. This is because when in heat mode the blower is in a different speed, and when you switch the auto/on sw on the t-stat it switches the blower to usually the high speed winding or (cool) speed which is usually the black wire on the blower motor. the heat speed is usually the red or orange wire slower speed for heat. check these first then you may have to go back to the furnace control board. and check if it is sending voltage to the fan motor itself.. hope this helps..
hvac tech..
zac

Jan 20, 2011 | Air Conditioners

1 Answer

I have a 30 year old fedders furnace and the furnace fan runs continuously. I was told by several people that the problem was probably a defective fan limit switch. But because its an older furnace with...


Hi,
The switch will be the silver/gray box just above the burner in the supply plenum...
There really is nothing you can do to fix that if it is bad... the switch runs off of a bimetal spring and that has just plum worn out...

The main thing you need to check is the insertion depth of the bimetal spring...then you can buy a replacement at any HVAC supply house...

Chances are that what you have is a Honeywell product and you can download anything you need from the honeywell site...

I tell you how to do it in this tip...

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heatman101

Sep 03, 2010 | Air Conditioners

1 Answer

1994 Carrier 58 PAV


sounds like the relay for the unit may be bad, usually if a blower motor goes it stops or has a very loud humm and only goes slow

Aug 03, 2009 | Air Conditioners

2 Answers

My AC unit wont blow the cold air.


if the ac outside is working, but not the furnace, means there is a control problem with the furnace, check wires in the furnace, make sure there is a blower wire plugged into the contact marked cool on the control panel of the furnace

Jul 09, 2009 | Fedders A&B Chassis A1A07W2B Air...

1 Answer

Coleman mobile home furnace Model #7966-756 will not turn on. The pilot light is lit, there is power coming to the step-down transformer inside the furnace. The reset switch is in the right position. It...


I had a similier problem, Check your neutral ground? also alot of power companies will come out and do a basic check of the voltages going to the furnace, and can offer advice for free.

Sep 17, 2008 | Coleman Air Conditioners

1 Answer

When turned on, the unit sounds like it will start then turns off within a minute.


Presently according to my information there is no recalls for Fedders products at this time for this model type.

May 27, 2008 | Fedders A&B Chassis A1A07W2B Air...

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