Question about Kenmore 75944 Gas Dryer
Gas supply is OK. I have already replaced the hot surface ignitor, which was old and reading 70 ohms. The gas solenoids both check out at 1,300 ohms. The overheating sensor is closed at room temperature, and open when heat is applied, which I think is correct. When I set a heat level and press the start button, however, the unit tumbles, but the ignitor does not heat up, and the gas does not come on. This unit has a couple of sensors on the exhaust duct inside the dryer. Would those stop the ignitor from working if they were bad?
Hey there, any sensor on the discharge air side of your drier are going to be safeties, meaning if they are open then they are tripped, you can cut the leads ( long enough to be able to re connect to the switch) and then wire nut them together. Sounds to me like either you have a problem somewhere from the temp control through the safeties or if that's all good and you are still not trying to power your ignitor then it is probably your ignition module. The ignition module reads the amp draw throught the ignitor to know when its hot. Also, I know you ohmed it out but visualy check for cracks anywhere and do not touch it with your fingers. Let me know what you find out.
Posted on Jun 20, 2009
Yes they are safety's that will shutdown the unit , there should be 1 on the duct and 1 on the flame tube , they should both read low ohms. if you have an exhaust problem with the unit the airflow will decrease causing the flame to out of line.
check these out and let me know how it goes.
Posted on Jun 19, 2009
Welcome To Fixya
A Gas Dryer blows air through a burner assembly to heat the air. The burner assembly consists essentially of a gas valve, ignitor and in dryers that use a glow type of ignitor, a flame sensor. If the flame sensor fails, the ignitor may not go off and the gas flow will not start.
The easiest way to diagnose the flame sensor is to observe the burner operation. 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. If it glows for several seconds (up to 15 seconds) and then goes out, then the problem is probably the solenoids (coils). If the ignitor glows and stays on, then the problem is usually the flame sensor.
For testing purposes, the sensor should show continuity at room temperature and no continuity when it is heated by the ignitor.
Posted on Jun 19, 2009
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Posted on Jan 02, 2017
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