Question about Amana RanARG7302 Gas Kitchen Range

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The oven sometimes does not work when turned on, but sometimes turns on after a period of time. Also, sometimes there is a strong smell of natural gas, but other times not. It appears that the ignitor is going on, but perhaps it isn't hot enough to start the burners. Is the problem the ignitor, gas valve, or something else? The range is an Amana model ARG7303WW.

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  • Jerry Goggins Jul 14, 2010

    Your technician's analysis was correct...the problem was the ignitor, which I successfully replaced. The oven works great. Thanks for your thoughtful suggestions.

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Hi,

This is a common problem with these models. This is highly suggestive of ' Faulty Ignitor '.Its a common problem with all gas stoves the ignitor wont get hot enough to burn off all the gas coming from the safety valve.it does glow but not the white hot it should.

Its the ignition system they use now instead of a constant pilot.

And if not replaced it will get worse.

Here is more info for you on the problem.

You may even see the orange "glow plug" (called a hot surface igniter) glowing orange and so assume that it's OK. Not necessarily!! You have to measure the current/amp drawn by the igniter :-

http://www.applianceaid.com/electrical_testing_tips.html

Compare it to this repair sheet before you can say it's OK or not :-

http://www.applianceaid.com/images/hot-surface-ignsheet.jpg

The gas valve has a bi-metal that open when a certain amount of current flows through it to heat it up. The igniter is wired in series with the gas valve. As the ignitor gets older or weaker, it's resistance increases to the point where not enough current is flowing to the gas valve bimetal to open it up. As a result, the gas valve never opens up. BTW, a common symptom of the early stages of this problem is erratic temperature control in the oven due to delayed firing of the bake burner while cooking.

The hot surface ignitor will not come on - check ignitor with a ohm meter, you should have continuity through the glow bar, the glow bar can also crack = new ignitor time. The glow bar comes on but the main burner will not light - you should have an amp probe to check properly, but often this is a hot surface ignitor problem. The hot surface ignitor often looses it's ability to get hot enough to open the gas safety valve. The safety valve can fail, but most times it is just a bad hot surface ignitor. The hot surface ignitor can also quit part way through cooking , in other words the oven may cycle a couple of times and then it just sits there with the red glow from the ignitor. See this service sheet for the proper way and amp readings for the hot surface ignitor system :-

http://www.applianceaid.com/images/hot-surface-ignsheet.jpg

Hot surface ignitors do weaken and will eventually generate less heat than they normally could. When this happens they can still allow marginally correct current to flow to the oven gas valve for it to open but not get quite hot enough to ignite the gas burner immediately. When this happens, gas released into the oven can sometimes build up to the point where when finally ignited, the amount of gas lit can cause a small explosion inside the oven or cause an odor of gas with out the oven working. Yes, your glow bar ignitor can glow orange-red and still be bad!! How a common gas valve works :-

http://www.applianceaid.com/how-bake-valve-works-C21.pdf



Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Jul 10, 2010

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