Question about Goodman GMS90703BXA Heater

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The furnace will light but will not continue.

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  • cycles Jan 18, 2009

    LED glows steady red. igniter glows, gas lights but goes out after about 5 seconds

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  • Goodman Master
  • 2,364 Answers

Try cleaning the flame sersor or try jumping out the pressure switch , if that works change pressure switch check the air filters ?

Posted on Jan 17, 2009

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Tempstar DC90 pilot light or burner keeps going out. The furnace will run continuously. Even if I turn heat off at the thermostat. I have to kill power at the panel box to get it to shut off. Then I've...


The reset button near the ignitor is a high temperature limit safety switch. When the furnace gets too hot and the manual reset limit switch is tripped, it most likely goes into a 'safe' mode where the gas control is locked out electronically and the blower is made to run continuously to rid the heat exchanger of the excessive heat. This will continue until the reset is pushed and the power is cycled off. It will remain an endless cycle unless the reason for the overtemperature condition is not corrected.

Your furnace 'temperature rise' is getting too high due to a lack of air across the heat exchanger for whatever reason. Some of those reasons could be a restricted air filter or a blower motor that's cycling improperly on its internal winding thermostat. You could also have a dirty air conditioner 'A' coil (evaporator) on top of the furnace restricting the air flow. Nevertheless, you are going to have to have it serviced by a reputable service company's technician to correct what's wrong.

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What do I do if red LED light stays on and my furnace (Carrier WeatherMaker 9200), does not start.


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Sep 12, 2014 | Heating & Cooling

1 Answer

2cxcb031ac3cuaa


This model number is for 2.5 ton evaporator which should not have any blinking lights. If it is also hooked up to an American Standard or Trane furnace the continually blinking light means normal operation.

May 14, 2014 | Heating & Cooling

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York Diamond 90 furnace blows cold air


There maybe a few issues. They have multiple safeties on furnaces. With this in mind this process to find the problem would take a Technician to check these safeties. It could be a flame sensor or thermocoupler each senses a flame or heat to keep the gas going. Also the damper for the flue must open for the gas to stay on. There may be more safeties on this and each safety sends a 24 volt current back to control module in order for the gas valve to stay open. If these aren't being met it will try around three times and go into a lock out mode which will keep gas shut off entirely.

Feb 21, 2012 | Heating & Cooling

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Furnace fires but cuts out after 10 seconds. Yellow lite flashing 2 times continuous. Green light flickers and sfter furnace cuts out gos bright green for 2 seconds and then goes back to flickering.


Since you didnt include Brand and Model number, you could check on the inside of'
the front panel you take off to access the furnace. Most have a diagram of the wiring
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Good luck and feel free to reply with Brand and Model #

Mar 31, 2011 | Heating & Cooling

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Bryant furnace plus 90 led code is blinking once then 3 times fast. What does it mean?


these codes are on the inside panel of the front cover of the furnace. lift off and look inside.there should be a code explain chart on the panel by the light. this panel will need to be replace correctly for the furnace to work as there is a door switch.

Jan 31, 2011 | Heating & Cooling

1 Answer

I have a EVCON furnace DGAT070BDC. I replace the igniter control, the gas valve and the thermostat. Same problem continues: glow stick works, then the pilot lights works.The igniter control clicks...


You may have a dirty/rusty burner that is clogged or your gas valve
manifold pressure setting may be too low. Normal manifold pressure
is 3.5 inches water column on natural gas furnaces. ( 1 psig is equivalent to 28 inches water column). Pull and clean burner. Also
check and clean pilot assy. including flame sensor (if present).
Please let me know.

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Newly installed furnace led light flashes continuously


on some new furnaces that is the "heart beat" and means everything is ok. There should be a key on the control or on one of the doors somewhere

Oct 08, 2009 | Heating & Cooling

1 Answer

Furnace integrated control module


The light is supposed to be on, if there is a fault in the furnace the light will begin to give u a flash pattern... ie; three flashes...or two flashes.. on the furnace exterior or on one of the doors there should be a fault code chart.... read the chart on the unit it will tell you what light is on and when..

Jan 14, 2009 | Goodman GMS90703BXA Heater

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