Question about Whirlpool LER5636P Electric Dryer

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Electric dryer wont start

My thermal fuse #3392519 is blown (open-no continuity). The dryer seemed to be functioning fine when it completed the last load. Then nothing. Do you recommend replacing any other part (like the high limit thermastat and thermal cut off fuse) when I replace the non resetable open thermal fuse? Or do you think it will probably be OK to just replace the thermal fuse. The machine is probably 18 years old now.
Model LE5720XSWO. Thanks, Robert P
CrgPerkins@aol.com

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Just replace the thermal fuse for now. You have gotten good use from this machine. But, this is also may be the beginning of the end. Thermal fuses are not expensive either. These things just go out at no uncertain times.

Posted on Feb 03, 2009

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My roper dryer worked fine yesterday. It won't work today


remove back cover then locate the blower housing in the back,its round on this is a thermal fuse appx. 1" X 1/4" with 2 wires from it,this is the thermal fuse test it,if its open on continuity its bad and the dryer wont operate the pat number is FSR# 3392519

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110.64872400 kenmore dryer 80 series. dryer makes humming noise when start button is pushed, can turn drum manually. please help


The humming noise is most likely coming from the timer motor and not from the drive motor. This characterizes a problem with a blown thermal fuse which is wired in series with the drive motor and located on the blower housing. Power to the motor is cut when the thermal fuse blows open and consequently the drive motor cannot run. No dryer function works when the drive motor cannot run.

Unplug the dryer or disconnect power then pry the lower access panel off with a flat-head screwdriver as shown.

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Remove the screw from the lint duct bracket and remove the bracket. Remove the two hex-head screws from the lint duct and remove the duct to access the thermal fuse and the cycling thermostat.

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Click on the links below for the detailed troubleshooting of this problem and the parts diagram. The cycling thermostat(part number
3387134) must also be replaced once the thermal fuse(part number 3392519) is found open.

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Amana dryer model YNED7200TW will not start. there is power, but start button does nothing. Resetting breaker did not work. Any ideas?


Thermal Fuse

Item #2986 (OEM Part)
$10.70

Thermal fuse. If the dryer overheats, this device stops the flow of electricity to the heat source and/or the entire dryer. It is located on the blower housing and cannot be reset. The most common cause for overheating is a vent tube clogged with lint, a birds nest or other debris.

Manufacturer Number 3392519
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In Stock
Quantity: http://www.repairclinic.com/PartDetail/Thermal-Fuse/3392519/2986#repairHelpVideoTabs

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1 Answer

I've located the thermal fuse on the blower housing and there is no continuity. Next to it is the drier thermister and I have no continuity there either. If I replace the fuse where do I go from there?...


The thermal fuse is blown open due to the thermistor being open (no continuity). The thermistor is a negative temperature coefficient resistor in which the resistance varies inversely with the temperature. Since the thermistor is open (infinite resistance), the electronic control board "thinks" the dryer temperature is too low. It then activates the heater relay continuously which makes the dryer overheat and blow the thermal fuse open to stop the motor which eventually turns off the heating element. Replace both the thermal fuse and the thermistor and it should your problem. They are manufacturer part numbers 3392519 and 8577274, respectively. The part numbers AP3132867 and AP3919451 are used only by www.partselect.com.

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I have Model # LER5636EQ3 dryer it all of a sudden quit working in the middle of a drying cycle. I Checked fuses in house all OK. Checked to see if other cycles worked will not start or make a sound at...


This problem is commonly caused by a blown thermal fuse located on the blower housing. The thermal fuse is wired in series with the motor and the motor activates a centrifugal switch for the heating element when it runs. These setup makes the dryer fail to start and the heating element not to turn on if the thermal fuse is blown. The dryer seems to no work at all. Verify the condition of the thermal fuse by bypassing it and starting the dryer.

Disconnect power then access and bypass the thermal fuse on the blower housing. The blower housing is located on the rear left bottom of the dryer cabinet. Remove the rear panel to access the blower housing and so the thermal fuse.

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Bypass the thermal fuse by disconnecting the wires and connecting them together. Insulate them properly and plug the dryer back in. The thermal fuse is indeed blown and needs to be replaced along with the cycling thermostat if the dryer starts. Do not use the dryer with the thermal fuse bypassed due to fire hazards.


The thermal fuse and cycling thermostat are part numbers 3392519 and 3387134, respectively.

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1 Answer

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Make sure the air flow from dryer is good thru the vent hose to outside . Make sure the vent hose itself is not kinked . pt # 3392519 is the thermal fuse .

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Check the door switch. A little lever sticking down through top right ofdoor opening. If it is not there you will need new door switch(sometimesthe little lever breaks off). If it is there and does not click when youpress it in you need a new door switch. if it clicks when youclose the door then you have a bad thermal fuse.The thermal fuse isfound by taking the back of the dryer off. The fuse is an oblong whiteplastic piece with 2 wires attached.

Door switch part number 3406109
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1 Answer

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Ours was doing the same thing you would hear a click and nothing but the sensing light. I found the thermal fuse to be blown Part #3392519. Easy to get to through the front cover under the load door. I went ahead and vacuumed and cleaned out the inside and vent tube.

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Found the culprit. The thermal fuse was blown. Had no conductivity with ohm meter so I placed a jumper around it and presto dryer runs. Cleaned the exhaust and fan but found no blockage and really was not that bad. Hoping maybe just a weak part. The model on the Whirlpool Duet electric dryer is GEW9250PWL I believe the the last three are just the color. The part number on the Thermal Fuse is #3392519. This is easy to get to through the front panel just below the load door. Hope this helps some else out.

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