It cycles at 40 sec. on then goes off and immediately the glow bar/igniter comes back on and stays on for 3 min. before the gas valves open for the flame. it repeats all over again.
That is normal. The gas does not stay on constantly. That would burn the clothes. The gas assembly is controlled by a Klixon mounted on the blower housing. As the air comes through the blower The Klixon also known as the cycling thermostat judges air temp and turns the gas assembly on and off. Here is a video explanation:
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SOURCE: kenmore gas dryer 80series model 110.c72852101
90% of all gas dryers lighting intermittently is resolved with new coil packs on the gas valve. The coils are replacable fairly easily and inexpensive.
SOURCE: After first Ignition cycle igniter stays on too briefly to open gas valve gas.
Valid Most likely the problem with your dryer is the coils for the gas valve. Remove the access door (on the bottom right side on the front panel) and you can see the gas valve with three coils on top of it. They are coming as a kit with complete instruction. The part number for this kit is AP2669614.You can buy it here http://click.linksynergy.com/fs-bin/click?id=SrmyP8LkIos&offerid=92089.542517043&type=10&subid=
SOURCE: dryer wont heat
About all that is left to replace is the flame sensor mounted at 9o'clock on burner flame tube, but I would double check your airflow, This is CRUCIAL to the normal operation of the dryer.
Also, a lint filter with an invisible coating from fabric sheets can cause an airflow disruption, try running without clothes and the filter removed.
Tip: Always provide the complete information provided on the manufacturers product information data tag, located on the unit, and not in the user’s manual. This will help you acquire a more accurate and expeditious response to your complaint.
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Thank you,
Dave E. (Illeagle)
"Your satisfaction is my personal reward"
SOURCE: Maytag Neptune MDG300aww Gas Dryer Heats On and Off
hI YES THE COILS IS WHAT YOU HAVE TO CHANGE thANKS FOR THE QUESTION tHE APPLIANCS DOC
You have a bad flame sensor. Replace it.
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the flame is only on for 40 sec. and then goes off for 3 min. - thats not normal right?
That is normal. If it were to stay on any longer it would cook them clothes.
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