Question about Maytag Atlantis MDE7400AY Electric Dryer

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Dryer will heat but not all the time.

Takes a very long time to dry. glow plug lites but does not come on offen enough

Posted by brusticus on


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Mike Durland

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It sounds like an airflow problem. clean everywhere the air flows. dryer will heat but not all the time. - 5bd3f51.jpg

Posted on Aug 08, 2008

  • Mike Durland
    Mike Durland Aug 31, 2008

    if this was'nt the problem then what was it?



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Speed queen gas dryer will not lite. Has been in storage

Gas Dryer no heat: or shuts down soon after heating CHECK:

Thermal Fuse
If the air flow in the dryer is restricted, the temperature in the heating chamber can get hot enough to blow the thermal fuse. If the fuse blows, it cuts power to the coils that control the gas valve. The fuse is usually mounted to the exhaust duct just inside the back panel. You can check its continuity with an ohmmeter. If, after disconnecting the fuse, you get any reading other than 0 when you touch the leads of the meter to its terminals, it has blown. There's no way to restore it -- you'll have to install a replacement.

Igniter and Gas Valve Coils
TEST with a multi meter: The igniter is an electric conductor that works like the element in an electric heater, glowing hot enough to ignite gas when you turn on the dryer. This conductor can burn out, and when it does, it may glow, but it won't get hot enough to ignite the gas. At times it may give a reading of continuity yet fail mechanically and not get hot enough to ignite flame though it gets hot and glows and even may show Ohms or continuity ( close circuit) ?

Occasionally, the Gas safety valve and the electric coils that control the gas valve are defective -- they can wear out when the dryer gets old. When this happens, the igniter glows, but gas never enters the heating chamber or does not stay consistant.
Performing a continuity test on either part will help you determine whether or not you need to replace it. But the coils should also be tested for amount of resistance as well as Ohms. As they may be showing ohms yet not putting out enough resistance to keep proper gas pressure flowing. Most coils should show at least 1300 ohms ( GIVE OR TAKE 150 OHMS). Anything significantly less Thus u get an ignition but then it soon goes back out. The flame does not stay lit.

Air Flow and Heat
The motor that drives the tumbler also drives a fan that circulates air through the heating chamber and the tumbler and expels it through the vent. If the air can't circulate, perhaps because of lint blockage, the heating chamber overheats, which prompts the cycling thermostat to turn off the gas. The thermostat resets when the chamber cools, but the chamber heats up quickly and the thermostat again shuts off the gas. The result is that the temperature in the tumbler doesn't stay hot, and your clothes take longer to dry, if they get dry at all.

There's a big difference between a dryer that doesn't heat up at all and one that just doesn't get hot enough to dry your clothes. In the first instance, the problem is usually a defective part, and things should be back to normal after you replace it. In the second instance, the problem is caused by restricted air flow, and you need to clear the lint filter and vents and take steps to prevent lint build-up. If you don't, you'll use more energy for drying than you need and the dryer may continue to malfunction. Worse, you may have a dryer fire.

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We have Distinctions Model (7.1 cubic ft. super capacity plus gas dryer) It's running, but not getting hot most of the time. We removed the bottom panel & can see the glow plug get hot & ignite the...


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Your More/Less Dry function is probably a totally unrelated problem?

MAN you make this difficult !! Is yours a : Amana NDE2330AYW
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Take off the Fuel filter and see if it is dry. If it is dry you know its a fuel line bleeding down or a fuel pump. Prime the new filter with fuel and see if the engine will hit.

Since you replaced the Glow plugs did you test the circuit? You should be able to test each plug wire when the engine is in startup. You can take out a Glow plug and ground it with a battery jumper cable while it gets power from its wire off the controller. The plug should heat up. Or you can just test the wire with a meter.

There are crank position sensors and cam sensors I believe on this model. Check with Autozone after you do the other tests.

The last case would be the worst, jumped time or problems with timing gears. Like to know results and Good Luck.

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