Question about Maytag Atlantis MDG6400AW Gas Dryer

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The dryer will ignite and dry and other times it will not ignite at all.

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  • Master
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HI. There seems to be some issues that concern the state of your burner assembly. Use my procedure to isolate the issues. I suspect a fragile set of coils or maybe a faulty ignitor.

On the gas valve are one or two coils (solenoids) used to open and close the valve to control the flow of gas. If a coil fails, gas will not flow and the dryer will have no heat.

The easiest way to diagnose a problem in the burner assembly is to observe the burner operation. Remove the small access panel at the bottom, front of the dryer, select a high temperature setting and start the appliance. Watch the burner assembly, shortly after starting the dryer the ignitor should begin to glow(high level glow). Next you should hear the click of the gas valve coil and a flame should ignite. The flame should be mostly blue and it should remain on for a minute or more.

If the ignitor glows for several seconds (up to 15 seconds) and then goes out, the problem is probably the coils (solenoids). If the ignitor glows and stays on, then the problem is usually the flame sensor. If it ignites and then quickly goes out, it is most likely a problem with inadequate air flow.Test the coil for resistance using a multimeter. Set the multimeter to the ohms setting X10. Place a probe on each terminal. The multimeter should change from a reading of infinity to roughly 1300 ohms (+/- 150 ohms) when the probes touch the terminals. If the reading is infinity or substantially different from 1300 ohms, the solenoid should be replaced.

If the burner assembly passes the above stated test, move on to the thermostats. In this case, you will need to test each thermostat for proper function.

The thermostats are usually grouped together. The are typically oval in shape and about an inch and a half in size. They may be on the blower housing, under the lint trap or inside the vent line. There should be two wires connected to each thermostat.

Label the wires and connections so that you can properly reconnect them later. The wires are connected with slip on connectors. Firmly pull the connectors off of the terminals. You may need to use a pair of needle-nose pliers to remove the connectors. Inspect the connectors and the terminals for corrosion. If either is corroded they should be cleaned or replaced.

To test the thermostats or fuse, set the multimeter to the ohms setting X1. Touch one probe to each terminal. You should get a reading of either zero or infinity. At room temperature, the thermostats should have a reading of zero. When the thermostats are heated to their limit temperature, they should switch off and you should get a reading of infinity. The fuse should be tested at room temperature for continuity. replace any thermostat that dose not pass this test.


Finally, if all check points above proper to be functional and working as designed, this will lead to the main control sector. The main control device must be replaced, in this case.

Posted on Jul 05, 2010

  • Michael Masters
    Michael Masters Jul 05, 2010


    • Finally, if all check points above prove to be functional and working
      as designed, this will lead to the main control sector. The main control
      device must be replaced, in this case.


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Kenmore Elite HE4 Gas Dryer Shuts off prematurely in the Auto Dry cycle and the Timed dry cycle


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.

Warning
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.

Jul 19, 2014 | Kenmore Dryers

1 Answer

Igniter Works, but Gas won't fire up on Sensor Dry, Will on Timed Dry


PLEASE do not use this dryer until it is fixed. it may be a saftey hazard. From the sounds of it. Your ignitor is only getting a signal every now and then. Now either is a coupler in there to tell the ignitor when to fire and when not to fire. It seems that it is going out only alloweing the dryer's ignition to come on only when a new cycle is started. That is where i would start... check with an appliance repair shop and find out if it will be something you can do your self or if it is something they have to do....
Now I do STRONGLEY recomend that you have a service technicion come on and service your dryer do to the fact that it is a GAS dryer. if something inside the dryer where to get pinched or broken it could cause a bigger problem....
so please take this advisment under consideration....
Thank you.

Aug 04, 2008 | Whirlpool GGX9868J Gas Dryer

1 Answer

My ge dryer ( model # dde5900ral ) does not always provide heat during the drying process in the regular drying modes. I have found that I can place the dial to timed dry between the 90 & 120 minutes...


Hi


1.Inspect the fuses and circuit breakers they may have burned out or tripped. Usually, dryer will still tumble but not create heat if a fuse or a circuit breaker is not working.
2.Check for the continuity of the heating element in your gas dryer using a multimeter. Replace the element if continuity is not there.
3.Inspect the thermal fuse if it is burnt out, it is attached to the exhaust duct on the back panel of the gas dryer. Replace if necessary.
4.Check the igniter by first disconnecting it, and then place the probes onto the two contacts of the igniter. The meter should read under 100 Ohms of resistance, if it is above 100 then replace the igniter.
5.Check the continuity on the flame sensor. The sensors are usually located close by the igniter so are easily visible.

Hope this helps... Please post back if you need more information.

Daniel

Nov 08, 2010 | GE Dryers

1 Answer

Maytag neptune gas dryer dryer will run but the igniter will only ignite part of the time, thought we had a bad igniter put in a new one, it lit up right away dryed one load completely dry, put in the next...


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If you are having problems with your gas dryer not heating the most common problem is that the ignitor goes bad. Even though it glows sometimes it is still not working properly.

if you dryer is gas check out this gas no heat tip....

If you have an electric dryer, you can have many different things that can go wrong causing the dryer not to heat.

check out this electric no heat tip...


heatman101

Sep 09, 2010 | Maytag Dryers

2 Answers

My dryer runs but does not heat up or dry clothes. What could be the problem?


I have a Kenmore dryer and it runs but won't heat up and dry the clothes. I don't hear the ignition even turn over. Please help. I can't afford to buy a new dryer at this time.

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1 Answer

Does not dry completely


how well did you clean that duct, the duct is problem 90% of the time when the dryer does everything else, pretty much if the dryer heats and tumbles its doing its job

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2 Answers

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1 Answer

Gas never ignites in any cycle in a 10yr old Kenmore dryer.


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3 Answers

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3 Answers

Intermitten Heat up


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