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22 year old Hotpoint gas dryer. The ignitor coil will not light despite cleaning dust from the area. No ignition, no heat.The coil has quit from time to time but usually will light up with a good cleaning. Not today!

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Power for ignitor comes down from timer switch and on to the gas valve. Any three of which could cause the problem. To test it correctly, you need to check power through all three components.

Posted on Jul 25, 2009


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Posted on Jan 02, 2017


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I have a siemans wtxd5522uc 27" ultrasense gas dryer that the ignitor won't fire. What is the supply voltage to the ignitor? Is it usually the ignitor that goes or some sensor? Every thing else...

hi sir it ignites at the voltage bet 230v-250v.there will be a sensor problem where it cannot try to ignite try to clean ignitor area.. In a gas dryer, heat is provided by a gas heater that is controlled by an air shutter. The gas heater is generally the source of no-heat or drying problems. You can often correct such problems by adjusting the air shutter on the gas burner, which is located along the bottom of the dryer.
To adjust the shutter, take out the screws and remove the panel that covers the gas flame. Turn on the dryer so the flame is burning. If the flame has a deep blue color and you hear air whistling around the burner, the air/gas mixture is receiving too much air. If the flame has a yellow tip, the mixture is not receiving enough air. Turn the thumbscrew or loosen the two screws slightly to increase or decrease the flow of air to the burner. Keep turning until the flame is a light blue color, without any yellow, and the whistling stops.

Gas dryers use an electric ignition device rather than a pilot light to light the gas heater: An element becomes hot and glows like the filament in a lightbulb. Electric ignition systems are always sealed; you can't adjust or repair them. If an electric ignition device fails, call a professional service person for replacement.  

©2006 Publications International, Ltd.
In a gas dryer, heat is provided by a gas heater, controlled by an air shutter. 
Electric dryers have self-contained electric heating elements.

Sep 13, 2008 | Dryers

2 Answers

Hotpoint nvl333gb5ww gas dryer not drying

Basically all gas dryers have the same setup on the gas assembly which is a sensor, an ignitor, and a pair of solenoid coils. The gas assembly gets its power from the cycling thermostat mounted on the blower housing. As the air moves through the blower the temp is being monitored by this thermostat. Wired in with this thermostat is also a fuse or a thermodisc which trips if the dyer overheats. So if either of these is bad then the gas assembly will not get any power. When power does go to the gas assembly all of the components are powered up at the same time. Why don't the gas come out? Because the majority of the power is being used by the ignitor. Their is simply not enough ampdraw there to open the valve. To open the valve the ignitor must be screaming hot AND shut off. That is the job of the sensor. Once the ignitor is up to temp it becomes a thermocouple. The sensor shuts down power to the ignitor and it generates through a 3 wire on the holding coil enough power to hold the valve open. If for some reason the flame did not ignite when the ignitor cools off the power to the holding coil diminishes and the gas gets cut off. So if the ignitor is doing its thing and the flame sensor is doing its thing then the coils which have been known to get hot and quit need to be replaced. Here is my home video:

Aug 13, 2012 | Hotpoint Dryers

1 Answer

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!

Nov 19, 2011 | Frigidaire GLGR331A Gas Dryer

2 Answers

My dryer doesnt dry very well, what can i do to fix it?

Is that a gas dryer? I think I might know what it is if that is a gas model. The gas assembly consists of flame sensor, Ignitor, and solenoid coils. If the flame sensor does it's jobs and detects the ignitor heat and then it shuts down the ignitor like it is supposed to then the coils should allow gas to exit the valve. Over time them coils get hot and quit. Replace em and party on OR post a model numba fer a betta answer. themobilian_2241.jpg

Apr 26, 2011 | Amana Dryers

1 Answer

Flame does not light every time.

What you have is a bad set of operating coils. The ignitor is coming on but the coils are getting hot and quiting. It inspired me to write about it and add some pictures so you could ID them. Gas dryer woes
By the way: If I helped or not please let me or them know know. I cannot keep wasting my time on this site.

Mar 26, 2009 | Dryers

1 Answer

Gas dryer won't heat up

The ignitor can glow and still be defective.
Take a volt meter and check for power at the gas valve while calling for heat.
If you have voltage, replace the coils again.
No voltage, replace the ignitor and flame sensor.

Mar 08, 2009 | Frigidaire Dryers

2 Answers

No Heat on a whirlpool dryer. 14 years old.drum turns,timer moves,getting gas to valve,tapped solenoids-no change.burner not lighting. thanks for any info

if ignitor not coming on could be flame sensor mounted on side of burner housing or ignitor ..if ignitor glowing but burner no lighting replace both solenoids bad connections interally on solenoids..also if ignitor not glowing possible small white thermal fuse open.. sensor and fuse can be jumped across to confirm ..

Dec 22, 2008 | Dryers

2 Answers

Whirlpool gas dryer not heating up consistantly...

replace the sensor on side of the heat tube where valve and ign is located

Nov 26, 2008 | Whirlpool GGQ8831L Gas Dryer

2 Answers

Gas dryer is not heating up

Could be a bad set of burner coils. Does the glow come on for a bit then goes out. And after a bit does same?
Probably bad coils. If you were able to change ignitor, you can do the coils. Unplug first! The coils are the 2 black cylinder shaped devices on burner. They are held on with a bracket that has 2 phillips screws. You can probably take them to your parts house and they can ohm them out for you. Make sure to write down their position before removing them.

Nov 06, 2007 | Hotpoint NVL333GY Gas Dryer

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