Question about Goodman GMS90703BXA Heater

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Igniter is lit but the heater will not kick on

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Is the gas on?

Check that the inlet screen to the gas valve is not clogged.

If the HSI get's hot, then suspect the gas valve has a problem, or the gas valve control board has a problem.

Reply back what you find and I can provide further instruction.

Posted on Jan 30, 2009

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When I try to use my Thermolaire model SU402E, the pilot lights( and stays lit), but the main burner will NOT ignite.. any suggestions as to what could cause this if the pilot stays lit?


Bad igniter? When you 1st try it the gas valve will give enough gas that you would get the burner lit if the igniter was glowing red. If you're desperate you can light the igniter area w/ an aim n flame, but you definitely want to do that w/ caution and crank up your t-stat so the furnace stays on awhile Cuz you'll have to do it again for heat or buy an igniter($40 or so)

Jan 14, 2015 | Heating & Cooling

1 Answer

No water comes out of hot water faucet


Most likely water heater.

If it's electric heater, check circuit breaker in breaker box.

If it's gas, check if pilot light is lit.
If it's a gas, pilotless heater (quartz igniter), check that the igniter works.

Oct 17, 2013 | Water Line - 4 Rolls

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The heater will not stay lit, it burns for a few min. And than kicks off


If your connectors are clogged or dirty that might stop the flow of gas, or the gas tank pressure is too low. Also, if you do not hold the igniter long enough its tip will not get hot enough to keep the flame lit.

Jan 06, 2013 | Ovens

2 Answers

How to light my heater? I can't fine the pilot.


It appears the pilot is behind the metal thing with two holes on it. Can't tell what the holes are but they look like viewer holes. You can follow the main hose and see where it goes to the control dial. From there you can see a smaller metal line that goes from the dial area to behind the metal thing I'm speaking of. Also there is a skinny brass line which is your temperature sensor which the tip is real close to where the pilot area is. You should be able to push down on the automatic igniter and see a spark. That's where your pilot light is which is a good indicator as well. You may have to hold down the igniter for a minute or two to make sure the pilot does stay lit. When you do find the pilot and the pilot does not stay lit you may have to buy a new thermal coupler. Best of luck to you.

Nov 11, 2012 | Kitchen Ranges

1 Answer

I have a Dayton 3E437A furnace that does not activate the igniter or solen.


Try the flame sencor looks like a small rod this may need cleaning but if you jumped ou tthe pressureswitch then this will need to be replaced , check air filter is clean .

Oct 20, 2011 | Dayton Gas Furnace Heater

1 Answer

Just installed a 425 hn, the igniter clicks and the pilotflame goes on and off at the same rate as the igniter clicking. The main burners will not kick on. Checked all the electrical connections, checked...


I am not aquainted with the Bosch..... But it is a heater. I am going from past experience with gas furnaces and how the process works..... You said that you can get the pilot to stay on if you unhook the Main Gas Valve wire. Do you have 24 Volt power on that wire to Common? Does this have a Flame Sensor? Maybe it got damaged. Does it have a good ground from the burner to the ignition control module? Does that wire to the electro valve go into a plug that plugs into the ignition control.... Maybe that pin is not making contact to the board. Hope this helps If no one else answer right away repost Or call and see if you can get Tech support from Bosch..... I know how frustrating it is you buy something brand new and it doesn't work

Feb 01, 2011 | Bosch 425HN NG Tankless Water Heater

1 Answer

Hi Im having a problem with my furnace. Igniter lights up blower kicks in it ignites for about 10 sec then goes out and blower blows cold air It repeats this process over and over It is now 50 degrees f in...


look for the flame sensor , its a small metal rod in front of one the burners you need to sand it with some sandpaper and it should stay lit. attached is a pic of what it looks like.



fscanlan_0.jpg

Dec 13, 2010 | Goodman Heating & Cooling

1 Answer

Hayward h250ed1 heater wont stay lit


Try cleaning your filter if dirty there will not be enough flow to llet heater fire. If filters clean you can try jumping the pressure switch.

Jun 24, 2009 | Hayward 250kbtu Ng Pool Heater - Inground

1 Answer

Pool heater won't kick on


check the gas line pressure; (if this was a homeowner installation you will not be able to check the gas pressure) dirty filters are the number one cause of heater malfunction. before you do anything else break the filter apart and clean completely and recharge with diatomaceous if applicable. also check the pump baskets and make sure there is no debris in the basket or blocking the impeller inside the pump. if this doesn't solve your problem call pentair tehcnical support

Jun 22, 2009 | Pentair MINIMAX NT TSI IGNITER

1 Answer

Hayward heater not staying lit


possibly poor pilot adjustment or insuficient mv output from thermopile

Jun 19, 2009 | Hayward H Series Millivolt 250,000 Btu...

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