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Dryer only heats on more-heat setting

Kenmore dryer model 110.86870100 This dryer has three thermostats
and a thermal cutoff (Hi-limit)
What is causing this problem?

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Could be heat selection switch is bad, need to test it with a volt ohm meter

Posted on Jan 07, 2009

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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

1 Answer

Does the Kenmore Series 700 dryer use circuit breakers or a thermal fuse to shutoff the heating element?


All Kenmore Electric Dryers use a thermal cut-off or thermal cut-out, hi-limit thermostat, and a cycling thermostat apart from the motor centrifugal switch as parts of the heating circuit. The thermal cut-off/thermal cut-out and the hi-limit thermostat are located on the heater duct/element duct while the cycling thermostat is located on the blower housing.

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The thermal cut-off/cut-out serves as a safety measure and blows open should the dryer overheats or should the hi-limit thermostat fails to cut off power to the heating element. Check the continuity of the thermal cut-off/cut-out and if open, replace it including the hi-limit thermostat.

Aug 22, 2011 | Dryers

1 Answer

I have a kenmore gas dryer, the drum turns but no heat, I replaced the radiant sensor and the control thermostat but still no heat?


here is a partial list of componets that could cause the dryer to not heat
Ignitor
control t-stat
high limit t-stat
gas valve coils
thermal cutoff
thermal fuse
flame sensor
electronic control/or timer depending on your exact model
cycling t-stat
motor

Jul 23, 2011 | Dryers

1 Answer

Kenmore elite model 11062952100 My dryer will not heat I replaced The thermal cutoff and high limit thermostat the dryer produce heat briefly but is not producing heat again.


There is a high limit switch (looks like a button with two wires hooked to it) on the bottom of the vent frame. When the vent fills up with lent at the bottom it gets hot. For safety, this limit switch will turn heat off. Remove the vent frame and clean it out and check the continuity of the switch. Also, make sure both heater elements are working properly.

Jun 19, 2011 | Kenmore 63942 Dryer

2 Answers

I have an older model kenmore 110.96529810 dryer. I just replaced the heating element and it still isnt heating up...whats next


You need to check the "Thermal fuse","thermal cut-off" and "high-limit thermostat". Check all three with a multimeter for continuity. Replace as needed.

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Happy Holidays

Dec 15, 2010 | Kenmore Dryers

2 Answers

Does not heat


heating element is out...there are usually 2.....get em at lowes

Nov 03, 2009 | Kenmore 700 6972 Dryer

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

1 Answer

Kenmore 80 Series Dryer - No Heat - Thermal Cutoff Kit 279769


that therm. will actually come off the heating element part, it is always good to change both, I use a small screwdriver to get it off

Nov 07, 2008 | Kenmore 63942 Dryer

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