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Dryer was not heating so I replaced the thermal cutoff and hi limit. Worked for a few weeks and now it is not working again. What can be causing it.

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  • Dryers Master
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That's an easy one. You have a restriction causing overheating. Dryer was not heating so - themobilian_1893.jpgthemobilian_1894.jpgthemobilian_1895.jpgthemobilian_1897.jpgthemobilian_1898.jpg

Dryer problems and Solutions

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Posted on Mar 16, 2011

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Posted on Jan 02, 2017

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Electric dryer getting way too hot


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3-5 ACCESS TO THE BLOWER WHEEL OR THERMOSTATS

To get to the blower wheel, remove the back of the dryer.

The blower wheel is under the bottom of the lint screen duct to your left, as you look at the back of the dryer.

The operating thermostats are at the blower wheel outlet.

In electric models, the hi-temperature cutout thermostat is mounted to the heat riser.

3-6 TEMPERATURE CONTROLS AND HI-TEMP SAFETIES

These clothes dryer machines use operating thermostats to control the temperature inside the drum, and hi-limit thermostats to prevent overheating of the dryer drum.. Many machines also have extra temperature controls, such as bias thermostats and heaters, hi-temperature cutoffs, and thermal fuses.

Bias thermostats are just like regular operating thermostats, except that they are mounted inside a bias heater. When the bias heater is energized, it generates a small amount of heat, which causes the operating thermostat to open sooner, keeping the dryer drum cooler inside. Thus a bias heater allows a single operating thermostat to act like both a hi-temp and a lo-temp operating thermostat.

A thermal fuse is found on the blower outlet, right next to the operating thermostat(s.) This fuse will blow when too high a temperature is sensed at the outlet; usually when one of the operating thermostats has failed. If it blows, the motor may not start, or you may get no heat (no voltage to the burner.)

A thermal cut-off is mounted on the clothes dryer heater box. It is a back-up for the hi-limit thermostat. Whenever you replace it, you should replace the hi-limit thermostat, too. A high-temperature condition causes it to open, an overheated grounded heat element may also cause it to open.

Dec 01, 2013 | Kenmore Elite HE4 Electric Dryer

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Operating Thermostat Burnt out Twice


have you checked the venting ???? the heat could be backing up into the dryer causing it to burn out.?? Run a load with no vent on and see if it is ok..JUST a NOTE:the operation(cycling) stat the Hi limit Stat and the Thermal cutoff are all diffrent The Thermal cut off is located on the upper part of the heating element housing...The hi limit is on the bottom of the element by the terminals to the heating element.. the cycle stat is on the exsh. ducting I just wanted to make sure we were talking about the same part

Jan 26, 2008 | Whirlpool LEQ8000JQ Electric Dryer

1 Answer

Dryer not heating


Its a good possibility that you have lost the nuteral connection at the power block or the receptical .

Jan 04, 2013 | Whirlpool LEN2000PW Dryer

2 Answers

Whirlpool dryer bad heating element AGAIN


Hi Warren Fink
Try this solution to your problem

A vent clogged with lint can cause the dryer to overheat.
Right after replacing a dryer element, always run the dryer on air fluff/no heat, and go outside to verify there's plenty of air coming out your vent system.
If the vent's clogged, that new element can burn out very quickly.
Please take time to rate me
Bud

Oct 18, 2012 | Whirlpool Dryers

1 Answer

My dryer isn't heating up I replaced the thermal cutoff it worked for about 20 minutes and now it won't heat up again


Hi, Because the thermostat is also bad ans that is causing the thermal fuse to blow...
If you are having problems with your gas dryer not heatingthe most common problem is that the ignitor goes bad. Even though it glowssometimes it is still not working properly. if you dryer is gas check out this gas no heat tip.... If you have an electric dryer, you can have many differentthings that can go wrong causing the dryer not to heat. check out this electric no heat tip...

heatman101

Oct 12, 2010 | Whirlpool Dryers

1 Answer

I have a sears dryer 417.90802990 which heats up but will not run..we had this problem before and replaced the themal limiter and it worked fine for about 1 month..same problem..replaced the thermal...


check that the intake air vents are clear it must be able to breath freely and that the hot air can get away freely this is the most comon thing to pop the thermal limiter,,the only other part that will blow the limiter is the heating coils if they are geting to hot becouse of a short in a winding

Jul 08, 2010 | Dryers

1 Answer

Thermal limiter stops dryer; replaced multiple times. Dryer dead.


I think you are working on the wrong end. Check the fan and inlet ductwork of the dryer, if the air isn't moving properly, it will not move enough to keep the coils and limiters cool and they will fail after working properly a few times.

Sep 03, 2009 | Frigidaire Dryers

1 Answer

Clothes dryer not heating


I eventually changed the thermal cutoff switch and the high limit thermostat as suggested in one of your replies to another consumer and now the dryer is working fine. Thanks.

Nov 13, 2008 | Zanussi TC7114W Electric Dryer

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Whirlpool Dryer Thermal Cutoff Wiring


the thermal cut off wires do not matter how you put them on.. The high limit is wired in series with the heating element.one red thick wire to element the wh/red top side of the high limit stat out of the high limit sat(other side) then goes to the other side of the heating element

Feb 20, 2008 | Dryers

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