Question about Goodman GMS90703BXA Heater

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Forced air fan

Sometime when my airconditioner is running, the little fan will come on and my blower motor will stop for about five seconds, I have not been able to tell if it turns my condensing unit off or not , after the little fan quits the blower motor comes back on

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Re: forced air fan

You might have a sensor issue where it thinks it's too hot and kicks on the gas exhaust fan.

Posted on Nov 10, 2007

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Dayton_furnace I have a dayton furnace the blow and burners kick on and run fine, brings the house up to the right temp the burnes shurt down but the fan moter never stops blowing. what is wrong ?

Hello, if you are referring to,the blower motor then most likely the relay on tne integrated contol board is malfunctioning. Unfortunatly the whole board must be replaced in this case.

Nov 09, 2011 | Dayton Heaters

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I have a reddy heater model M100D, when I turn it on it runs for about 30 seconds and then the circuit breaker trips and shuts the heater off.

Check the fan motor to make sure there is no obstruction on the intake for the motor,and clean out the intake filter,and see if the fan motor spins freely by hand,if it is restricted in turning at all,the blower motor is bad,I have a pdf I can send you if you like,this will help you,it is a manual.If it will help,let me know,,by email,I can send it,,,

Oct 12, 2010 | Reddy Portable Forced Air Propane Heater...

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Coleman eb15b blower fan will not shut off

Hello, this will be a stuck relay for the blower. Trace wires back from blower motor and it will lead you to the culprit

May 11, 2010 | Coleman Propane Forced Air Heater...

1 Answer


Sounds like you have a outdoor unit fan motor that is not working, it could be burnt out, or the capacitor may be bad. The capacitor will sometimes puff up, then top or bottom will sometimes bulge just a bit, usually due to low voltage or lots of heat. At least a place to start.
Good Luck,

Apr 01, 2010 | Coleman Propane Forced Air Heater...

2 Answers

Ruud furnace Model URKA A030jK08 Code opt 589

Flip the lower panel over and look for a wiring diagram. On that diagram there will be a diagnostic chart. Let me know what 5 blinks represent. Then I want you to read on.

On a call for heat, the 24 volt thermostat sends a signal to the control module. The control module will indicate a call for heat with a light on the control either blinking or remain solid depending upon model. The inducer (exhaust) blower will purge all gasses from the furnace and pressurize a pressure switch. Once the pressure switch tells the module to continue, the electronic ignition will energize and send 120 volts to the igniter. The igniter will glow and you will be able to see it if viewed thru the small inspection port. Once the igniter gets hot enough, it sends a signal to the module opening up the gas valve (24 volts). Either a pilot will come on or the burner tube will ignite then spread the flame to all burners. Lastly a safety sensor will be looking for a certain temperature within a few seconds and the furnace will continue to operate and the room air blower will turn on in a minute or two.

What could go wrong? The unit will not run if there is no signal from the thermostat (bad thermostat or broken wire), the control module does not sense a signal from the thermostat (bad control), the inducer does not energize (bad motor), the pressure switch does not close (blocked vent piping, bad switch, plugged condensate hose), the igniter does not energize (bad control, bad igniter), the gas valve does not open or there is no gas (bad gas valve, broken wire, no gas), the pilot does not light (dirty pilot), the burner does not light (bad burner, plugged orifice, not enough combustion air), the flame does not spread to each burner (bad flame spreader, dirty flame spreader, more bad burners), the flame safety sensor does not detect flame (dirty or bad flame spreader, bad flame sensor, broken wire, bad control), or the room air blower does not energize (bad fan motor, bad control).

Nov 23, 2009 | Heaters

1 Answer

Fan doesn't go on with forced hot air system

sounds like that little silver box(fan limit switch) is your culprit! easy to replace...take out first and take to heating store..there are two sizes short and long(one about 5 " and one about 13", also some have the manual over ride which your has...check the settings inside, adjust by HOLDING wheel and moving little pegs! temps are 100-150-200

Mar 24, 2009 | Honeywell Electronic Programmable...

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I have a monessen LPG fireplace and the blower motor has seemed to stop working. it has a variable rotating switch on it. dont know if anyone knows where this problem is on most models like this?

The problem is likely the fan motor for the forced air blower, which means the entire blower needs replaced. The description of the problem is the same problem we had approximately two years ago when our motor was still under warranty (less than a year old). In our case the motor was replaced without charge. However, the same problem has happened this year which is extremely disappointing since we only run the fireplace from December to April intermittently because it is only a supplimental heat source for the house. You can either look up the model number and part number and order a replacement over the web (less expensive if you are DIY and know what you're doing) or see if the local LPG supplier can repair the part or replace. Good luck.

Dec 06, 2008 | Stoves Monessen Variable Thermostat...

1 Answer

Reduce blower speed

Motor speeds on the blower are always remember black is high, blue in med. and red is low sometimes blowers are 4 speeds but the main colors are the black blue and red. Now where to change locate the wires coming from blower to a box or control board. control board has setting for heating and cooling speeds for the blower. You might see blue on heating which would be medium speed so take the red off park terminal and change places with the blue. Now if you have a fan control switch it looks like a dail in the middle of the furnace with numbers on the face with pointers set at the numbers. follow the wires from there to the electrical box and open box. find color of blower and switch be sure to cap off the wire you change. Wire nut would be good.

Nov 19, 2008 | Coleman Propane Forced Air Heater...

1 Answer

Coleman forced air furnace blower

Rmove the two screws holding the blower in place and slide it out. With the power off, rotate the wheel and inspect for debris or an impingement. If everything turns easy, you have a bad motor or start capacitor. If you have rubbing, adjust the wheel. If the motor will not turn, replace it.

Dec 11, 2007 | Coleman Propane Forced Air Heater...

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