Question about Goodman GMS90703BXA Heater

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When you change the filter

Is there a rest switch it wont blow out air.

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Re: when you change the filter

There was a hose clogged thats why it wasn't working

Posted on Nov 20, 2007

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Re: when you change the filter

There is a door switch interlock. when the door is closed the switch makes up and the unit should run.

Posted on Nov 19, 2007

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  1. The safety over temp switch has tripped. some are resettable with a pushbutton some are crimped in place, and are replaceable.

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I have a Coleman/Evcon furnace model #DGU08016UB that has a concern. In my attempt to check my furnace before we need it for the winter; the following condition occurred. Condition: Flashing code of...

jump out pressure switch see if it lights check hose to pressure switch see if they are split or connections are not good ,cut off ends and put back on presure switch.

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I have a Honeywell RCT8100A thermostat. It indicated that the furnace filter needed to be changed. After changing the filter, the indicator on the LCD screen went away but my air conditioning still wont...

Hello SUE check the blower door is put back tight (if you removed it to replace the filter) there is a door switch that has to make.If not we need more details on the problem.

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The cooled air is coming out at a very weak rate. The ac unit outside is blowing out cool air when the neighbor's is blowing out warm air. The house is just not getting cool. AC has been on for 4 days...

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Ready heater forced air runs few minutes then shuts off

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Gas heater doesn't stay on longer than 5 minutes.

It sounds to me that your air flow is restricted somewhere. The first thing to check is your air filter. If that gets real dirty your restricted air flow will cause the hi-limit(hi temperature limit switch) in your heat exchanger compartment to over heat and open up your gas valve electrical circuit,thus, shutting off the gas to your burners. After the hi-limit switch cools down the furnace will go back to heating again then it will overheat again(you get the picture?) If it keeps cycling on and off like that the house will never get warm if it is cold outside. If your air filter is reasonably clean(you should be able to see light thru it easily) then the secondary heat exchanger could also be dirty, this is located above the indoor fan housing, you would need to pull the indoor blower assembly out of the furnace and look up above. The secondary heat exchanger looks similar to a radiator will fins. You can use a medium stiff plastic brush to brush the dirt,hair, whatever off of it. Another problem spot would be the cooling evaporator coil (if you have central airconditioning) located most likely above the furnace in the plenum(if your furnace is in a basement). This usually is difficult to access if an access cover wasn't installed when the airconditioning was installed. I would recommend an experience service tech to clean it for you. Also make sure all you supply air registers and return air registers are open . These are the things I would check first. Good luck!!

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