My dryer when it starts up will heat up but then after a min the flame quits and then just blows cold air. i took the bottom panel off and watched the pilot light up. it appears that continues to cycle about every minute but the main flame will not stay lit. on thing i found to be broke was the termostate. it is broken off. will this be the reason for my dryer to not dry. i looking for common issues so i can trouble shoot this. i have an amana LG8319W2 model. if you can help please do.
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Well, check the rollers for flat spots, could also be the belt drive pulleys especially if you've overloaded the dryer and caused it to stop tumbling. Secondly while the front cover is off look at the heating element used to trigger the gas valve ( igniter ) next check out the light or flame sensor, if the pilot flame ignites but the major flame doesn't then the sensor may be malfunctioning.
If electric then the thermostat or the heating element has failed. If gas: First thing to check is the ignitor underneath the drum. (You have to open the panel to see it) It should glow shortly after the dryer starts, then the flame starts and the ignitor shuts off. If the ignitor does not glow then it or the thermostat is bad. If the ignitor is glowing but the gas does not light then the flame sensor may have to be replaced. If the gas ignites but does not stay on either the flame sensor or the coils are at fault. See also: http://home.howstuffworks.com/how-to-repair-a-dryer.htm
Well if your dryer tumbles, but there is no heat then you may please check out the following - 1. First of all you can check out for proper air flow - Check the vent for proper air flow by placing your hand over the exterior vent while the dryer is running. You should feel a strong flow of air. If not then check the lint trap. It is located either on top of the dryer or possibly just inside the door. Remove any lint that has built up in the lint trap. Cleaning the lint trap should be done regularly, even as often as after every load. Do not operate the dryer without a lint trap in place. 2. Secondly you can check out the Ignitor - gas dryer blows air through a burner assembly to heat the air. The burner assembly consists essentially of a gas valve, ignitor and a flame sensor. If any part of the burner assembly malfunctions, the result will be low or no heat and slow drying of the clothes. Post comments for further help or information..... Good Luck!! Thanks for using FixYa!!
I find that quite often the ignitor is out of alignment or the glass window is covered with lint. a gas dryer blows air through a
burner assembly to heat the air. The burner assembly consists
essentially of a gas valve, ignitor and a flame sensor. If any
part of the burner assembly malfunctions, the result will be low
or no heat and slow drying of the clothes.
There are two common styles of ignitors,
glow ignitors and spark ignitors. The ignitor ignites the gas
either by heating up and glowing, or by sparking. If the ignitor
fails, the dryer will not heat.
The easiest way to check the ignitor
is to observe it. Remove the small access panel in front, select
a high temperature setting and start the dryer. Watch the burner
assembly, shortly after starting the dryer the ignitor should
begin to glow or spark. If you see it glow or spark, then the
ignitor is working.
karenl46 -- Flame sensor has to "see" proper flame in order for gas burner to stay on. Safety solenoid engages (shuts off gas) when flame light not detected. Check window on sensor (1:30 CW position) on burner tube. If you still have problem after cleaning it, then refer to URL below. -- SWT http://forum.doityourself.com/kitchen-laundry-home-gas-appliances/350993-another-gas-dryer-no-heat-failure-rates.html