Question about Maytag Dryers

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In my Maytag gas dryer, M#JDG312 SN 341973, The gas ignites, burns a few minutes, then shuts off and never comes back on. The timer just sits at the original setting and never moves, while the drum continues to turn forever, if allowed (with no heat).

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  • Master
  • 6,784 Answers

HI. There are two areas of concern here. The initial area will be the timer mechanism. The motor that advances the dial plate may be shorted or defective. It is a simple procedure to test this device to confirm damage. With that said; There is another area that may cause the same issues. This will be the moisture sensor. If this device malfunctions, the unit will not stop and it will run all day with no heating. In order to isolate the issue and provide proper service manuals and diagrams, I will need the entire model number that is associated with the affected unit. You have posted an incomplete model number above that is not registering. Please post the entire model number, asap. I need to make sure that this unit is, indeed, equipped with a moisture sensor.

Posted on Aug 07, 2010

  • Michael Masters
    Michael Masters Aug 08, 2010

    HI again. here are a few steps to help with the testing of your timer. follow carefully.

    Once you have gained access to the timer mechanism;Take a close look at the timer motor control. Depending on your make and model, there may be a number of wires connected to it. Locate the wires that deliver power to the mechanism. These wires should be slightly larger in size than the other ones. Use your needle nose pliers to remove one of the power leads. Pull the connector off the terminal by pulling on the connector, NOT the wire, or it may break the wire.

    Lift the dryers control panel up and set your units timer to a normal dry cycle. If your multimeter came with alligator clip probe adapters, this will be handy here, so put them on if you have them. If not, any meter(ohm) will do.

    Set the multimeter to read ohms (usually labeled R1 or RX1). Clip or touch one probe to the terminal from which you removed the wire. Touch the other probe to one of the other terminals. You should get a reading of zero. If you get a high reading, then the timer motor is bad and it's time to replace it.





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I have a whirlpool dryer M460-G (SN#MH4612126 ? LGR7646EQ3). The dryer does not heat up. I checked the back and cleaned all the lint. The gas ignites and heats some time but not all the time and when it is...


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The igniter fires the gas, it burns for a minute or less, then stops and won't restart unless the dryer is stopped and restarted? Is this a coil problem?


Sounds like a clogged vent. If you let it run for a few minutes after it shuts off, it will come back on. Your overtemp. thermostat doesn't allow it to work, because the hot air is not being sucked in. But to answer your question, not the coils for sure in my opinion. When coils fail, it won't turn on after 10 min of running or more. Not right away.
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Maytag Gas Dryer doesn't heat up


The igniter is the part that ignites the gas in the Maytag gas dryer. Long time a go the dryers use to have a pilots. The pilots where on all the time, even when the dryer was not been use.

This wasted a lot of gas and a new design was needed. That is when the igniter or glow bar as is also known, came to be. A bad igniter could be the reason for your Maytag gas dryer not heating.




The radiant sensor is a small black box that attaches to the combustion funnel. The job of the radiant sensor is to allow the igniter to glow until it is real hot, then it shuts the igniter off and opens the gas valve to start the heating process. A bad radiant sensor could the the reason for your Maytag gas dryer not heating.




The gas valve has two coils or solenoids. These coils job is to open the gas chambers inside of the gas valve.

When one of the coils goes bad, the symptom is that the igniter glows, but the gas valve won't open to let the gas flow through the gas chamber to be ignited.

A bad set of coils could be the reason for your Maytag gas dryer not heating.




The hi-limit thermostat is located on top of the combustion funnel, and its job is to open the circuit to the gas valve if the airflow to the dryer is restricted for any reason.




The cycling thermostat is use to control the temperature inside of the dryer. It is factory preset at 155 degree, in other words it will open the circuit to the gas valve when the temperature reaches 155 degrees.

This thermostat is opening and closing all the time the dryer running. A bad cycling thermostat could be the reason for your Maytag gas dryer not heating.




The timer is the part that direct the electricity to the other parts in the dryer. This part works very hard and the contacts wear out and some times they burn out. If the timer contacts won't close, the dryer will not heat.




The motor switch is another safety device that only closes the heating circuit when the motor is running. When the motor is not running the circuit of the gas valve is open and the dryer will not heat. A bad motor switch could be the cause for your Maytag gas dryer not heating.

As you could see, there are a lot of parts inside of the dryer that have to be in good working condition for the dryer to produce heat.

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WHAT IS WRONG WITH YOUR DRYER?

small_8_19.jpg For a detailed Dryer illustration, click below.

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Gas Whirlpool Style Version 1
redarrow.gif Gas Whirlpool Style Version 2
redarrow.gif Gas Maytag Style
redarrow.gif Gas GE Style
redarrow.gif Electric Whirlpool Style Version 1
redarrow.gif Electric Whirlpool Style Version 2
redarrow.gif Electric Maytag Style
redarrow.gif Electric GE Style
Warning! To avoid personal injury or even death, always disconnect your appliance from its power source--that is, unplug it or break the connection at the circuit breaker or fuse box--before you do any troubleshooting or repair work on your appliance. Also, because some components may have sharp edges, use caution while working on your appliance.

Gas dryers aren't very complicated. Here are some common symptoms you may experience with your dryer.

There's an error code on the digital display

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It seems to run forever
It's noisy
It won't start
The light doesn't work
My clothes smell bad!
My clothes are marked or torn
Hope this may help;


DON'T FORGET TO RATE;

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