Question about Maytag Neptune MDG5500AW Gas Dryer

1 Answer

The dryer runs hot for only about one minute.

The ignitor works and there is a flame for approximately one minute. After that, the flame goes out and the dryer runs cold for the remainder of the cycle. What could be the problem?

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  • frank thomas wilson
    frank thomas wilson May 11, 2010

    the moister sensor is detecting a clogged up venting system. clean out all lint in the exhaust tubes completely to the very end outside the home if clean and clear the sensor is bad instead

  • miken629 May 11, 2010

    Would that part be the radiant sensor?

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Read my tip section on clothes dryers

Posted on May 08, 2010

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Whirlpool dryer heating sporadically?


Remove the lower front panel and turn dryer on. The ignitor should glow bright orange first. After Ignitor glows brightly the next thing will be the flame lighting as the gas valve opens with a click. All this should happen within about a minute or so.

If flame comes on but goes off quickly It's likely one of the Gas valve coils is opening a break in the coil as the coil heats up. This coil will shrink when cool and be able to run again. The coils are purchased as a kit.

If ignitor goes off and no flame comes on the coil kit is likely needed because one coil is fully broken inside its case. If flame goes on but shuts off shortly the problem is as described above and the kit is needed.

There is a flame safety assembly on the can above the burner. If the airflow is poor. the flame tip may activate that safety and turn the flame off. Or the flame switch may be open and not allow the flame to come on at all.

The Flame switch can be tested for continuity with an ohmeter but the valves may ONLY show bad with power applied and can not be tested with a meter as they will test good.. Good Luck

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Frigidaire Gallery Commercial Heavy Duty GAS DRYER Model GLGR331AS1: gas lights and dryer operates for approximately two minutes. Then the gas goes out and approximately 1 minute later the igniter comes...


The flame sensor, ignitor, and coils all are wired together in a complicated circuit so that the coils will not operate untill the ignitor is out of the circuit and is screaming hot. If the ignitor is open or bad the coils will not operate because the ignitor becomes like a thermocouple when screaming hot. So if the ignitor is working and the flame sensor is working properly AND the dryer will work some and then quit, I would suggest to you that the coils are aged and when they get aged they tend to fade and die when used once or twice. It is an aggravating thing to diagnose. Replace the solenoid coils and rock on dude!

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I have a Maytag Neptune model number MDG9700A gas dryer...When I first turn the dryer on the dryer will get hot for about minute then the gas turns off and will not heat up again...It glows fine after...


Hi, If you are having problems with your gas dryer not heatingthe most common problem is that the ignitor goes bad. Even though it glowssometimes 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 differentthings that can go wrong causing the dryer not to heat. check outthis electric no heat tip...

heatman101

Aug 01, 2011 | Maytag Neptune MDG9700A Gas Dryer

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GE dryer starts up ignitor gets hot you see flames everything is working. 2-3 minutes later the flame goes out. Is this a bad thermostat?


Hi, If you are having problems with your gas dryer not heatingthe most common problem is that the ignitor goes bad. Even though it glowssometimes 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 differentthings that can go wrong causing the dryer not to heat. check outthis electric no heat tip...

heatman101''';;

Apr 22, 2011 | GE DRSR483GD Gas Dryer

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Dryer starts hot surface ignitor comes on gas valve opens i get a flame 5 mins flame shuts off hot surface ignitor repeats and tries to ignite no flame after unit is off for 20 mins to 30 mins off unit...


Hi, If you are having problems with your gas dryer not heatingthe most common problem is that the ignitor goes bad. Even though it glowssometimes 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 differentthings that can go wrong causing the dryer not to heat. check out this electric no heat tip...

heatman101

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When my mdg 6000bww is turn on heating element glows, flame ignites, then flames goes off within 5 minutes. After waiting approximately 15 to 20 minutes, until it seems to cool down can restart and goes...


Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} Hi,
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

Aug 23, 2010 | Maytag Neptune MDG5500AW Gas Dryer

1 Answer

Dryer won't dry


Well lets talk about it a minute. The ignitor is ok because it does glow. The flame sensor is ok because the ignitor is working. The only other thing in the circuit is the solenoids. So what goes wrong? Those coils get hot and quit with age.7ecd66c.jpg Replace them and the dryer will come back to life.5dc4e80.jpg

Jun 28, 2010 | Whirlpool WGD5500S Dryer

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Mdg 4000aww turns on and heats when started. runs for 5 five minutes then flame goes out. ignitor glows but no flame. one minute later dryer still running ignitor glows, no flame. this repaets until turned...


Either the venting needs cleaned or the coils on the gas valve are bad. Unhook the venting from the back of the unit and run. If works ok then clean venting. If you still have the problem, replace the two coils on top of the gas valve.

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2 Answers

Dryer flame goes on and then off


Try this link I hope it helps, I know it helped me a ton!! ps don't forget to rank my help. Thank you and have a nice day!


http://fixitnow.com/wp/2004/11/13/mailbag-how-to-troubleshoot-a-gas-dryer-with-no-heat/

May 05, 2009 | Dryers

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

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