Question about Maytag Neptune MDE5500AY Electric Dryer

1 Answer

My whirlpool gas dryer will not cycle through on Automatic Dry. When I start the dryer it will ignite and heat up, but then once it cools down, it will no longer ignite again and therefore will not continue to cycle through. I have replaced the timer/motor and the cycling thermostat with no luck. Any help?

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  • 3 more comments 
  • andy_woodrin Jul 23, 2009

    I accidentally placed this question under the wrong dryer model.

  • andy_woodrin Jul 23, 2009

    The dryer is a Whirlpool LGR4634JQ1 Gas Dryer.

  • andy_woodrin Jul 23, 2009

    The dryer is a Whirlpool LGR4634JQ1 gas dryer.

  • andy_woodrin Jul 23, 2009

    If it is the coils, then why does the dryer ignite at first? Maybe I do not understand how the coils work. Can you explain further?

  • andy_woodrin Jul 25, 2009

    Problem solved!. Thank you very much. I just wish I had asked a couple weeks ago!

×

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  • Master
  • 1,136 Answers

UNPLUG the dryer. This model you need to remove the two screws under the lint screen. Now use a flat blade screw drive and insert it in the gap between the top and the front panel and pry the top up. Now locate and remove the screws on the inside of the front panel in upper corners. The front should lift off. You will see the two black coils on the gas valve. When you remove the three wire coil, make sure the sleeve inside it gets put back on the post the coils slides onto.
If I can assist you further, please let me know.

Thanks
Vic

Posted on Jul 23, 2009

  • 3 more comments 
  • Victor
    Victor Jul 23, 2009

    I noticed that.......... It is still the same problem. What is your model # and I will make sure what we are talking about.



    Vic

  • Victor
    Victor Jul 23, 2009

    I notice the model # given is an electric dryer. Is your dryer gas?

    I would like to assist you through this issue.

    Please let me know

    Vic

  • Victor
    Victor Jul 23, 2009

    Thank You for getting back to me. The coils part #279834 is what you need to repair this issue. Here are the instructions for you.

    UNPLUG the dryer. This model you need to remove the two screws under the lint screen. Now use a flat blade screw drive and insert it in the gap between the top and the front panel and pry the top up. Now locate and remove the screws on the inside of the front panel in upper corners. The front should lift off. You will see the two black coils on the gas valve. When you remove the three wire coil, make sure the sleeve inside it gets put back on the post the coils slides onto.



    I hope this helps you.



    Vic

  • Victor
    Victor Jul 23, 2009

    The coils on the gas valve get warm because they are magnetic electric coils. Later in the cycle, they overheat enough that they will not open the gas valve.

    This is why after the dryer is off for any length of time, the coils will work again. This is a very common problem with the coils.

    Does this help any?

    Vic

  • Victor
    Victor Jul 25, 2009

    You are very welcome. Glad I could help you.

    Please feel free to rate my reponses to you so that others as well as myself will know how I am doing.



    thanks

    Vic

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Gas dryer does not dry in "timed Dry" setting


In some dryer's the control panel relies on a thermistor rather than a CYCLING thermostat to regulate the drum's air temperature by monitoring the component's resistance changes; resistance goes down as temperature increases and up when temperature decreases. Once the drum's air temperature reaches a certain level required to dry clothes, the control panel shuts off the heater. The panel will turn the heater on again and begin another heating cycle when the thermistor indicates that more heat is needed to keep the air temperature constant inside the drum

Lastly check your moister sensor. ( located inside the dryer door usually) Especially if machine seems to shut down early and clothes are still wet.
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Read more :http://www.ehow.com/info_12203962_check-dryer-thermistor.html

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Jul 30, 2014 | Whirlpool Dryers

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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

Dryer starts with heat. After 10-15 minutes, when dryer calls for more heat, here a metal clicking noise, flame does not ignite. When it's clicking, I can look down the back from the top and see a glow....


Your gas valve coils are defective. Part #694539 and 694540 are required. Once the coils get hot they collapse internally and the gas valve shuts off. This is a common problem when valve coils get weak from use.

Nov 09, 2009 | Whirlpool LGQ9857L Gas Dryer

1 Answer

My whirlpool gas dryer will not cycle through on Automatic Dry. When I start the dryer it will ignite and heat up, but then after it cools, it will not ignite again and therefore will not cycle. I have...


The burner valve coils (2 in a kit) need replaced . After electricity goes thru them , they will warm up , causing one of them to "open" (short internally). It will not work again till the coil cools back down . Only 2 screws hold the coil bracket on , so , they are not hard to change .Don't have to turn the gas off but do unplug dryer . The burner valve is located in the front of the dryer by removing the front panel .

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Gas dryer not maintaining heat. 70 Series Kenmore/Whirlpool 76722


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Jul 14, 2009 | Whirlpool Dryers

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Whirlpool gas dryer heats for one cycle, then cool air only.


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Jul 13, 2009 | Whirlpool Dryers

1 Answer

Dryer gets warm at first but then cools down


Check the hi limit thermostat and the cycle thermostat. They may be opening too soon.
Remove the connecting vent on the rear of the dryer exhaust and see if it cycles normally.
The flame sensor may be malfunctioning.
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Mar 28, 2009 | Whirlpool LGQ8000JQ Gas Dryer

1 Answer

No Heat


Hello
Welcome to Fixya


Remove the vent line from the rear and try the dryer.
If it heats then that means there is a clog or kink in the vent line blocking the vent air from exiting which will stop the dryer from getting hot!
If not then it's another one of these problems.

Defective Ignitor (Gas Only)
When heated the ignitor used on your gas dryer must obtain a specific high temperature
in order to activate the flame sensor. This ignitor is fragile and susceptible to cracking.
A hairline fracture that is barely visible to the naked eye is enough to change
the resistance of the ignitor to a point that is will not work properly.
You can test the resistance of your ignitor. You should get a reading of 50-400 ohms of
resistance.

If the ignitor gets hot and then goes off after about 10-15 seconds and there is
no ignition, the problem is probably not the ignitor. It is most likely the gas valve
coils that are defective.

If the ignitor comes on and stays on, it is the flame sensor that is defective.

If the ignitor is not getting hot it could also be one of the thermostats that is defective.
The power for the ignitor is passed from the timer, through all of the thermostats,
limit switches and fuses to the ignitor. So if you are not getting power to the ignitor
during ignition, you should check the continuity of the individual thermostats and fuses.
DRYER DOES NOT HEAT



Defective Gas Valve Coil (Gas Dryer Only)

If the gas dryer will light once but will not relight until it cools down, it is likely the gas valve coils are faulty. These coils loose some strength when subjected to heat. When they become old, the addition of heat may be enough to prevent them from opening the gas valve when hot. However the coils still work when when cool.

An easy way to diagnose the coils when the burner is not lighting, watch the ignitor. If the the ignitor glows for 10 to 15 seconds but no flame is created, then the coils are faulty. If the ignitor is not glowing the problem is elsewhere.

Recent Customer Symptoms:
The dryer burner doesn't always come on when starting. If the burner does come on, once it goes off if won't come on again until the dryer cools down.



Defective Flame Sensor (Gas Dryer Only)
The flame sensor's job is to monitor the ignitor for sufficient heat
to ignite the gas. A properly operating flame sensor will pass a
continuity check under room temperature.

Common Symptoms
If the flame sensor is defective in the open position,
the ignitor will not get hot when the dryer is started.
However, if it is defective in the closed position the ignitor
will get hot, but the flame sensor will not allow the flame to ignite.
In this case, the ignitor will usually stay hot for a long period of
time.



Defective Thermostat
The thermostats are responsible for maintaining the proper temperature
in the dryer. Check the exhaust temperature of the dyer and if the
temperature is above 150 degrees, you will most likely need to change
the operating thermostat.

The thermostat can also fail in the opposite mode.
It can prevent the element from heating at all.
A failed continuity check at room temperature will verify this condition.

There are some special thermostats that are single pole double throw.
These thermostats are often used to control the timer when set to the
Automatic Dry cycle. If the dryer timer will advance in the Timed Dry
cycle but not the Automatic Dry cycle, then the thermostat could be the
problem.


Defective Thermal Fuse
The thermal fuse is in series with one leg of power to the motor.
If the fuse is open (no continuity) the motor will not run.

Location:
The thermal fuse is located in different locations according
to the model and brand of dryer.

Solution:
Check the thermal fuse for continuity with a volt/ohm meter.
If it is open, it will need to be replaced






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Jan 25, 2009 | Kenmore 73952 Gas Dryer

1 Answer

Whirlpool gas dryer is not hot .burner ignights but it is not hot enough


If your dryer seems to run forever, it could be because of a clogged vent or internal ductwork. Your dryer may have an automatic cycle that turns off the dryer when the clothes are dry. It does this with a special thermostat or moisture-sensing system.

Normally, this is what happens during an automatic cycle:

  • The thermostat tells the dryer to heat until the interior of the dryer reaches a pre-set temperature--say 135 degrees.

  • When the dryer reaches the pre-set temperature, the thermostat tells the timer to begin advancing. (If there's a moisture sensor, the timer advances only if the moisture content of the clothing is low enough.)

  • The timer advances until the interior cools, then the thermostat tells the timer to stop advancing, and tells the dryer to start heating again.

This cycle continues until the clothes are dry. But…if the vent is clogged, the dryer may never reach the proper operating temperature, so it doesn't send the signal to the timer and the dryer continues to run indefinitely, even if the clothes are completely dry. To fix the problem, clean the vent and/or internal ductwork.

if this helps please give me a fix ya vote

Jul 14, 2008 | Whirlpool Dryers

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