Question about KitchenAid KEYS700LQ Electric Dryer

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Heating I have replaced the Thermal cutoff (part PS334299 ) and the smaller piece with one screw hole on the left keeps blowing. I cleaned the dryer thoroughly of lint the second time. The 1st one worked for 2 weeks. The 2nd one 2 days. Any help would be appreciated. Thank you!

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  • errol_smith May 11, 2010

    Thank you FixAllPhil!! I still had the issue. Blowing out the vent inside the wall appeared to finally fix the problem.

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The little white part with one hole is the thermal fuse, similar to the cutoff but service a different purpose.

The cut off will blow if there is lack of air flow, typically a plugged vent or lint screen.

The thermal fuse will blow if the exhaust temperature is too high. The reason the temperature is too hot can be one of two things.

#1 and most likely is the component right next to the thermal fuse, it is the operating thermostat.

#2 A shorted heat element that is on all the time, this can be checked by turning the timer knob to 30 minutes on the timed dry cycle, close the door but do not start the dryer. Open the door after about 2 minutes and see if the drum is hot. If it is not the element is okay.

I hope this helps

Posted on May 03, 2010

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Check and clean if necessary your vent hose.
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http://www.partselect.com/PartDetail.aspx?Inventory=345113&SourceCode=6

or

http://www.partselect.com/PartDetail.aspx?Inventory=344958&SourceCode=6

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