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Gas Dryer - burner not kicking on

The ignitor, flame sensor and thermal fuse have all been checked. Any other reason this might happen? The blower works but is blowing cold air.

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Replace the gas valve solenoids (coils). There are usually two of them. One is a pilot position, and the other is a main. It is recommended that you replace them BOTH at the same time. I hope this helps you.

Posted on Nov 14, 2008

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1 Answer

Matag dryer not heating


Here is a link to maytag dryer repairs http://apcoappliancerepair.wordpress.com/?s=maytag+dryer . The most common problem is the thermal fuse. My question is. Does the heating element start to light. If not...... and you have changed the ignitor and thermal fuse. Then check the flame sensor to see if there is continuity threw it. Power to the gas coils and ignitor runs threw the flame sensor. CLICK HERE to see a flame sensor on a GE dryer. They are the same on most units but Maytag will be on the opposite side of burner chamber.

Apr 30, 2013 | Maytag Bravos 7.0 Cu. Ft. Electric Dryer

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Gas dryer will not produce heat


SERVICE MANUAL

The basic gas assembly is like that of many American gas dryers of various brands. The power going to the gas assembly comes from the control which is mounted next to the fuse on the blower housing. The control of course gets its power from upstairs via the timer. If the air temp is below that which is required the bimetal inside the control will allow power to go through it and the thermal fuse over to the gas assembly which consists of a flame sensor, an ignitor, and a coupple of control solenoids. So if the control has power and continuity and the fuse is good and power gets to the gas assembly then the ignitor should start to glow. When it gets up to temp it should bend the bimetal in the sensor and shut off power to the ignitor. The ignitor is now a thermocouple, as long as it is glowing it will allow the solenoids to operate. If for some reaon there was no ignition of gas the solenoids will not work when the ignitor cools down. The ignitor stays hot from the flames coming off the burner. So we have ignition now and a blast of heat going into the drum. The rush of warm air is being monitored by the control mounted on the blower housing next to the fuse. When the temp gets up to snuff, the power is shut down to the gas assembly and the flame shuts down. The drum continues to turn and when the temp drops another balst of hot air is called for. So what goes wrong? If it heats some but quits them solenoids are bad. If it clicks but no ignitor then wither the ignitor or sensor is bad. My home movie:

Sep 04, 2012 | Amana ALG443RAW Gas Dryer

1 Answer

Why does my gas dryer not ignite to create a flame?


check the thermal fuse and cycling switch on the blower housing,if they both have continuity then check the high limit thermostat for continuity on the burner tube housing and then the flame sensor eye on this tube also and also wipe off its window that faces the ignitor so it can see the flame after ignition,if all this checks good then check the ignitor inside the burner tube as these can burn out

Aug 22, 2011 | Kenmore Dryers

1 Answer

Our Maytag model dg410 quit ingniting. Is it ignitor or something else?


Power from the control Klixon mounted on the blower housing energizes the gas valve assembly when the temp is below 105f and the dryer is set for heat. If that control is open then no power is applied and no heat. If a restriction causes the dryer to exceed 350 for some reason then the fuse next to the control Klixon melts. No power will get to the gas assembly but the dryer will run. On that gas assembly is an ignitor/flame detect sensor, an ignitor, and a pair of solenoids that open the gas valve. The flame sensor must have continuity. If it is open then no power will get to the ignitor. If the ignitor is broken you will also have nothing. The coils will not open the valve without a change in the resistance of the circuit. One of them coils has 3 wires and the other has 2. The sequence of gas valve operation is the flame sensor bi-metal has to open when the temp exceeds 1800f. this kills the power to the ignitor and flips the 3 wire coil so that the ignitor is now a thermocouple and the coils will yank open the gas valve. As long as that ignitor stays hot then the gas will continue to flow out the valve. If for some off reason the gas were not to ignite the ignitor would coold down and shut off the gas and that is your builtin safety. So what goes wrong? Blown thermal fuse, open control Klixon, open flame detect/sensor, open ignitor, or Intermittent coils,(the coils will get hot and quit with age.
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Maytag dryer service manual and more HERE

Dec 20, 2010 | Maytag Dryers

2 Answers

Dryer fails to heat up. I tried replacing the glow bar with no success.


Hi

If your dryer is not heating, then check if the power cord is plugged into the wall. It may be loose or disconnected. 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. Now, check whether the heating element in your gas dryer is burned out by using an ohm meter to check for continuity. If the continuity is not there then you would need to replace the element. After checking the element, check out the thermal fuse to see if it's burned out. The thermal fuse is attached to the exhaust duct on the back panel of the gas dryer. It's usually surrounded by a black resin material situated in a housing made of white plastic. If the fuse looks like it's blown, then it needs to be replaced.
Now, check the igniter, there is a plastic connector attaching the igniter to the burner. Disconnect this and place the probes onto the two contacts of the igniter. The meter should read under 100 Ohms of resistance. If the reading is above 100 ohms then igniter is bad. If the igniter passes the test then you need to test continuity on the flame sensor. You should have continuity between the two contacts. If not, then you need to replace the flame sensor. The sensors are usually located close by the igniter so are easily visible. Hope this helps...
Daniel

Sep 04, 2010 | Dryers

1 Answer

No glow from the ignitor. what is the voltage coming in to the ignitor (gas dryer 110-736932100) could the heater relay be the issue?


all you have to do is check continuity across the ignitor. does it have continuity? if no you need to check your thermal fuse for continuity? it is a white peice with 2 wires going to it and sits on the blower houseing. if no then it could be your timer. or yes it could be your flame sensor. that sits off the side of your flume tube where the ignitor is. but highly likly it's just your thermal fuse.

May 15, 2010 | Kenmore 73932 Gas Dryer

1 Answer

My gas maytag dryer has no heat


first check the thermal fuse for continuity in the dryer blower housing/vent,then check the high-limit and/or cycling thermostats and the radiant sensor(flame eye) on the burner tube of the unit,then check the ignitor in the burner tube housing and finally the boost and secondary gas valve solenoid coils on the gas valve body inside the unit near the front entry of burner tube

Apr 29, 2010 | Maytag Neptune MDG5500AW Gas Dryer

1 Answer

Whirlpool lg9521xt gas dryer- no heat or flame. I replaced thermal fuse and coil kit, but didn't solve problem. What's next ? The igniter ?


Remove the bottom panel and start dryer . If you see the red glow , then ignitor is ok . Disconnect the plug (2 or 3 wires ) going to the burner and check for 120 volts . If no red glow , replace the ignitor pt # 279311 . If not 120 volts , then , normally , thermal fuse is bad (white piece with 2 small terminals on blower box ) is bad .

Sep 07, 2009 | Whirlpool 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

Kenmore gas dryer runs but won't heat up


if ignitor is glowing suspect coils on valve assembly if not could be flame sensor on side of burner housing short wires together to find out last suspect thermal fuse located on blower housing ..small white object with 2 wires

Oct 19, 2008 | Kenmore 73932 Gas Dryer

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