Question about Goodman GMS90703BXA Heater

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Furance won't lite

My furance wentout today now i,m trying to lite it i don't know the name of the furance but i do know that it don,'t have a pilot. it is equipped with an ignition device which auto light the burner. the model#gmt070-3 and the seriel#0207608633

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  • frank1003 Apr 19, 2008

    i have the same problem the furnice wont light i have tried turning the switch to off then i wated 5 minutes then i turned it back to the on position it still wont light should i turn the thermostat to the lowest position and the turn it back on or what should i do it is a honeywell furnace

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The first thing i would do is turn thermostat down and turn power off wait for a few minutes then turn power back on and then thermostat back up. If it has a ignition module then there should be a blower motor. It should come on then a pressure switch that should click then the ignitor should glow or spark. there should be a round glass circle that you can look through to see the ignitor

Posted on Apr 26, 2008

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Where is the reset button on a GMP100-4

Posted on May 03, 2008

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1 Answer

Why does my furance not turn on when the pilot lite is lit?


Apparently it is not calling for heat. The thermostat needs to close. If it is wired correctly and the stat closes and it still does not start something is bad in the control section. You need to get a tech to help you. Randomly jumping wires is asking for a disaster.

Jan 11, 2015 | Heating & Cooling

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Multiple issues that are not related. If the pilot light goes out then the thermocouple might be bad. If the pilot ignites the gas and everything shuts off, it sounds like the over temperature sensors are detecting heat in excess of what is allowed in the firebox. The thermostat issue has nothing to do with this.

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flame sensor (ex. thermocouple) is not sensing pilot flame so it will not allow main gas valve to open

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if pilot light is on, probably should be a knobs with settings for PL only, on, or off.

Nov 09, 2013 | Heating & Cooling

3 Answers

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Thermostat flame sensor. Do you see a little rod next to the pilot? That is what tells the main gas valve that the pilot is lit and it is safe to give gas. Easy swap, and you can usually just pick up a generic one.

Apr 14, 2013 | Heating & Cooling

1 Answer

The pilot got wet and it won't lite up ???


There could be water in the pilot line or pilot is blocked and needs cleaning out along with the pilot line .

Dec 24, 2012 | Heating & Cooling

1 Answer

The pilot wont stay lite on the furance i already change the thermcoupler model # is srm-54815b montgomery ward


The flame must hit the tip of the thermocouple to get a good contact with the coopernickel bimetal.
Remove the new thermocouple and use a pencil eraser to clean out the hole. Get all the corrosion off there.

Oct 18, 2011 | Heating & Cooling

1 Answer

My fireplace pilot lite wont stay lite


There is a valve which you are bypassing when you press the pilot button. It is usually a sealed hydralic valve which holds the gas on as long as a flame is on the bulb. This expands the fluid and keeps the gas valve open. If the bulb moved and is not in the flame, or near enough, it will not stay on. Also since it sat for a year the internal workings of the valve could have "gummed" up. You need to replace the valve. You did not mention the name or model of the unit. Do a search with your units brand name followed by heater followed by parts. This should return dealers who can supply the part you need. Let me know if you need anymore help.

hardrocko

Thanks for using FixYa

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1 Answer

I HAVE MODEL GP30 WALL HEATER. I CAN LITE PILOT BUT WHEN I TURN CONTROL KNOB UP PILOT GOES OUT AND DOES NOT LITE HEATER


The thermocoupler is bad.Replace it,or if you can adjust it to where the thermocoupler is in the pilot flame.You know you have to hold the knob down for about 30 seconds or a minute,don`t you?If the flame will not touch the thermocoupler,it will not stay lit.You can cut a piece of copper tubing,or steel tubing to slidde over the old thermocoupler to make contact with the pilot flame,and it will work,if the thermocoupler is not in to bad of shape.

Oct 17, 2009 | Heating & Cooling

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