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My approx 15 yr old maytag gas dryer flames on briefly, flames out and never fully heats up. I suspect a faulty thermostat, but I am not positive.

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  • Edward Jennejohn May 11, 2010

    sorry- you need to replace it! 15 yrs. is pretty good service! prob. cost more to fix, than to replace! give a it a fond pat, and replace it! good luck!

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  • 304 Answers

It's likely one of the 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 replaced as a kit whose number can be ascertained by providing the model number to a parts outlet anbd asking for the gas coil kit. Take care not to touch or hit the ignitor or you will be replacing it also. It is VERY brittle.

Service on gas appliances should be undertaken by professionals only due to the danger of gas leakage which can cause fires or death by asphyxiation.

The Link below will provide you a service manual for your machine. The model number for your machine should be on the face after opening the door. On some models it is above the control panel facing the ceiling.

The pages discussing the gas valve begins on page 3-28

http://www.servicematters.com/maytag_library/docs/16008714.pdf

Posted on Sep 11, 2009

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1 Answer

No dryer heat


If the coils are bad the unit will light with flame for 4 - 8 times then all of a sudden the ignitor will glow, kick off with no gas coming threw valve. it sounds like the high limit thermostat is short cycling the flame. This is the thermostat that sits on top of the burner chamber. remove 1 screw from the thermostat and blend it upwards away from the heat. Then plug unit back in and test to see if the flame stays on longer. Click here to see maytag dryer no heat posts. Contact me anytime here. Hope this helps..

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1 Answer

Maytag DG410 gas dryer-no flame, no heat. I replaced the ignitor - that apparently isn't the problem. Other ideas?


Motor runs, but main burner will not ignite
1.heat switch set wrong---correct switch setting
2.defective timer or timer circuit---check timer wiring--replace timer motor or switch as needed
3.defective centrifugal switch in motor---clean switch or replace as needed
4.gas supply valve closed----open gas valve
5.inoperative solenoid coil---test coil for open circuit & the voltage to it
???
Pilot burner goes out
1.insufficient gas supply---- low gas pressure or clogged pilot filter or partially closed gas valve
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3.improperly adjusted pilot flame--adjust pilot flame until faint yellow tip begins to appear
4.faulty ignition or reset valve or thermocouple---replace

Clothes not drying, but dryer runs & heats
1.defective operating thermostat---test thermostat, replace if defective
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Sep 22, 2011 | Maytag PYG4500A Gas Dryer

1 Answer

10 yr old kenmore dryer clean vents moves LOTS of air, no heat, element 12 ohms resistance, suspect thermostat or thermal cut out, how do I know which to replace?


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

Sep 03, 2011 | Dryers

1 Answer

Gas maytag dryer not heating up


check the thermal fuse in the dryer vent duct to be open,then if not the flame eye" radiant sensor" or the high-limit thermostat both on the burner tube if the sensor doesn't see(sense) a flame the gas valve will stay shut,then check the gas valve coils,both the BOOST and SECONDARY coil valves on the gas valve body as these can open up and not gas into the burner

May 04, 2010 | Maytag Neptune MCG8000AW Gas Dryer

1 Answer

I have a Maytag Atlantis. Model#- MDG7658AWW gas dryer. My issue is that the dryer starts to heat up ( the way it should ) at the begining of any cycle but cuts the flame after one minute & the dryer...


Problem is not with the thermals. You gas coils on the valve have gone bad. Replace both of them and you will be fine. Very inexpensive repair. Part number is 12001349 at approx. $45.00.

Jan 31, 2010 | Dryers

1 Answer

Dryer starts, heat up than the goes out


Faulty gas valve coils are the typical cause of this type of "cycling". These electrical coils are right above the gas valves and when energized, these solenoids open the gas valves and permit the burner to light. If any gas valve coils are suspected of being faulty, it is recommended that both (all) be replaced at the same time. Hope this helped and best wishes.

Sep 02, 2009 | Dryers

3 Answers

Maytag dryer runs and tumbles but will not heat up to dry clothes. model # LDG7500AAW, serial # A3351803. it does have flame but will not stay hot. Is this a thermostat problem?


I would suspect a faulty high limit thermostat is causing this problem. It is usually a small round, black device mounted on a small plate and attached to the internal ductwork with two screws. Hope this helped and best wishes.

Aug 05, 2009 | Dryers

1 Answer

Maytag DG482 Dryer Won't Heat


The heat is regulated with a Klixon mounted next to the blower housing near the vent pipe so it can judge the temperature of the air coming out of the drum.Right next to it is a melting type fuse. If the dryer runs and gets too hot the fuse will melt.But the dryer will still run. So if the fuse is good(continuity) and the dryer control(cycle) thermostat is also good then you should have power going to the gas valve assembly when the machine is running unless the timer is in the no heat or wrinkle free/cool down mode. When the gas valve assembly is energized the flame sensor a%20flame%20sensor%202.bmp flame sensor mounted outside the burner chamber detects the heat from the ignitor. When the heat is very intense then the sensor shuts down the ignitor
a%20igniter.jpg Ignitor and that frees up the power so that the coils can be fully energised and open the gas gates. The gas comes out and hits the red hot igniter and you have ignition. It stays on for maybe 2 or 3 minutes or until the control thermostat is satisfied and shuts down power to the gas valve assembly. So... If your gas dryer has a good flame sensor and a good igniter AND the dryer will work some and quit, replace these: dryer%20coil%20kit.jpg Gas operator coils
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The coils get hot and quit on these machines when they get a little age on them. It is aggrevating because it is a hard to diagnose thing. But well worth the 20 bucks. SOURCE

Jul 07, 2009 | Maytag 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

1 Answer

Maytag Neptune Gas Dryer


You have a Hi-Limit t'stat located at 12 o'clock on the flame shroud. A safety fuse is also located on the flame shroud at 1 o'clock. The flame sensor is located at 9 o'clock on the flame shroud. The Hi-Limit can be temporarily bypasses for a quick check, as well as the fuse, but do 1 at a time. Be sure to unplug the dryer before testing.

If that doesn't help, let me know if you need more assistance.

Dave E. (Illeagle)

May 30, 2008 | Maytag Neptune MDE5500AY Electric Dryer

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