Question about Roper REX4634KQ Electric Dryer

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I replaced the thermostat piece on the up right metal mount in the back of the dryer. I purchased the piece and came with another piece as a kit. I was told that both parts needed to be replaced since one may have been blown. The part that was said to go there seemed to not fit, because it had only had one hole for the screw. The space for the part had to holes and a round whole in the middle. The second piece fit perfectly, and the dryer worked fine for one load. I couldn't find the proper place for the other part. When I tried to press the start button for the second load it wouldn't start. It was working fine and now it won't start. What could the issue be? Also, how can I find out where to use the other part?

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You might have bought the wrong thermal cutoff pack. As for the not working at all problem. Look at the bottom, near the exhaust tube and there is a little white plastic fuse with 2 wires going to it. Replace it and your dryer will work. Rate me if I am correct!

Posted on Aug 26, 2010


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Electric dryer getting way too hot



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.


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

Dryer will not heat. It's trying to get going, but keeps dying...

Good day,
If the igniter comes on and glows, that eliminates the thermal, as well as all other thermostats, and also eliminates the igniter and the senser mounted on the side.
If your sure the gas is on, replace the dual coil kit mounted on top of the gas valve.
Extremely common problem. 2 wire plugs, and one screw. Simple job.
P.S. The coil kit is made by whirlpool, and can be purchased at any appliance parts house, if going to Sears is a problem.

Dec 14, 2009 | Kenmore 63942 Dryer

1 Answer

Dryer won't heat up

Either your breaker it tripped, the element is bad or the thermal fuse is blown. If I had to guess, your thermal fuse is bad. Unplug the unit. Remove the back panel and look for one of the following. A white plastic looking piece that is 1/2" wide and 1 1/2" long with two wires. Or a round piece about the size od a dime with a oval base that has two screws, it looks like other parts in back but is smaller. Which ever one you have, take wires off and connect the wires together. Tape so they cant touch metal. Now plug unit back in and test. If the dryer starts heating, the part you just by passed is bad. Replace. Notice. Do not try using dryer with part by passed. It's a high limit (Safty) that keeps dryer from getting to hot. When replacing this piece you will need to also replace the cycling thermostat. When it goes out the dryer cycles on the thermal fuse until it goes bad. These two parts are sold in a kit.
Please rate this solution if helpful. Thanks

Sep 02, 2009 | Whirlpool Dryers

1 Answer

Dryer will not come on when temp is selected and button is pushed

You have a bad thermal fuse. Take back off. There are two different types. One type is round and looks like other pieces in the back only smaller. It has two wires. The other is 1/2" wide and 2" long with one screw, also with two wires. You can test either one you have by first unplugging the machine, Connecting the two wires running to the piece together. Tape them so they will not touch metal. Now plug machine in and try. It should heat. DO NOT CONTINUE TO OPERATE MACHINE WITH PART BYPASSED This is a high limit safety. It keeps the machine from overheating. If left bypassed it will catch fire. You will also need a cycling thermostat. Kits are sold with both parts inside. The cycling thermostat not working caused the machine to cycle on the thermal fuse until it went out.
Please rate solution

Aug 26, 2009 | Whirlpool Dryers

1 Answer

My dryer has stopped heating i checked the exhaust tube and the lint trap tube(blower tube),was dirty but i still have no heat.also timer dosnt seem to be working on the auto sense dry heat setting, i...

You have a bad thermal fuse and cycling thermostat. You can buy them ina a kit. When the cycling thermostat goes out the dryer cycles on the thermal fuse (High limit) until it goes out causing the dryer to not heat. You can take the back off and look for them. There are two different thermal fuses. One type is round on and looks like other pieces in the back, only smaller around. About the size of a dime. The other is 1/2" wide and 2" long. Both have two wires. You can test and see by unplugging the machine, connecting the two wires going to the piece together. Tape them together so they touch no metal. Now plug machine in and try. DO NOT OPERATE MACHINE WITH PIECE BYPASSED. THIS IS FOR TESTING ONLY.
Please rate solution if helpful.

Aug 26, 2009 | Whirlpool Dryers

3 Answers

I just bought a new heating element for a 70 series dryer and it is still not getting hot. What is another possible solution

test the hot side of the heater element, also check that the circuit breaker has been turned all the way off then all the way back on. If this does not fix it or you have tried it let me know and I can tell you what to check next.

Aug 20, 2009 | Dryers

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

3 Answers

Dryer over heating


Sep 12, 2008 | Maytag PYE2300AY Electric Dryer

1 Answer

Crosley dryer-model # cde6500w

I believe that you probably purchased a kit of fuses which provides fuses for several different types of dryers. That way the parts store can sell you the kit without knowing exactly what type of dryer you have. If I am right about this, there is no yellow fuse in your dryer, you will need to buy a new one to replace the red dot fuse. Also, you will want to find out what is causing it to blow again so quickly, probably your exhaust duct is a little plugged, causing the inside chamber to get too hot.

Dec 27, 2007 | Dryers

1 Answer

Crosley Dryer Heats then stops

If im thinking right, this dryer has the element in the top left corner.  This unit has two thermostats, one mounted right above the element, and the other in the lower left front mounted on the fan housing.  The one in the front is called the high limit thermostat, which means when it gets to a preset high temp, it cuts off the system until cooling occurs.  The top thermostat, mounted above the element is the operating thermostat.  It probably is one of the two thermostats.  Its a very good idea to replace not only both of the thermostats, but the fuse as well.  The fuse kit (Maytag Part# LA-1053) comes with a thermostat and 2 fuses, be sure to follow he instructions on how to determine the fuse for electric and gas.  The high limit thermostat (Maytag Part# 53-0771) is an easy replacement.  Something is causing the unit to short cycle.  Sometimes you can hot-wire the operating thermostat (use caution, severe caution if doing this, not recommended if you arent sure whats going on).  By doing this (removing the two wires from the thermostat, taping them together), you can watch and see if the element stays on longer, at least until the high limit switch comes on.  This is really not recommended, if the high limit is out, it will not be good.  Just easier to replace them both.

Oct 24, 2007 | Crosley CDE6000 Electric Dryer

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