One of mine co-workers shared with me the their dryer would certainly no much longer heat. I thought I might figure it the end so i opted to take a look in ~ it. My an initial thought was that it to be the igniter so that is what i went after in ~ first. Ns was maybe to solve it and also here space the steps to troubleshoot and fix a Kenmore 90 series Dryer that runs but will no heat…

How to settle a Kenmore 90 series Gas Dryer That will Not Heat

Hardware:

Possible Faulty Parts:


Tools Needed:

If you’re interested, here’s the electric schematic that this dryer (we uncovered this document schematic within the dryer):

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Schematic because that Kenmore 90 series Model 110.76902693

Caution: once you open up this dryer there will be spicy edges top top the steel parts so it is in careful.

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Step 1: Unplug the dryer indigenous the wall and turn off the gas!!

The components we are going come touch will be live so friend don’t desire to obtain shocked. Turning the gas off is simply a precaution. The valve arm have to be perpendicular to the pipe once it is turned off (versus in line v the pipe when it is on). Here’s a gas valve in the off position:

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Gas valve OFF

Step 2: relax the two optimal spring clips from the lower front panel.

There room two feather clips top top the optimal edge that need to be pressed under to relax the lower front panel. Take it a level screwdriver and press lock down will certainly pulling out on the panel.

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Location the the spring clips that host the height of the lower front dashboard on the dryer
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Prying the spring clip under to release the front panel door
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Here’s what the spring clip looks like with the door released

Step 3: background the door up and also off the two springs the slide into slots in the bottom that the door.

With the door at the angle shown listed below lift the up and also off the lower springs, circled in red:

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Removing the reduced door

Step 4: locate the igniter.

This was what I thought was causing the dryer to no heat. That is the part that ignites the gas. That is the same form of igniter my gas oven has on that (and I’ve replaced it twice). The igniter is ~ above the best side, behind and also slightly come the left the the gas valve, and also circled in red below:

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Igniter Location

Step 5: check the resistance of the igniter.

By law this we can determine if the igniter is bad. Disconnect the white wiring connector on the igniter and also then clip your multimeter leader to each of the two wires in the connector that the igniter. I actually just took my multimeter’s alligator clips and also put one next of the jaw on the outside and also the various other jaw top top the inside and also clipped them on opposing political parties so they don’t quick together.

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My multimeter leader clipped come the 2 wires in the connector that the igniter

The resistance the this igniter check out 82 Ohms, i m sorry is in the range of what a an excellent igniter would read. A poor one would certainly most most likely be an open up circuit or a very high resistance choose 1MegaOhm.

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Resistance reading of the dryer’s igniter — 82 Ohms

If the igniter reads in the ~75-150 Ohm variety it is good and you deserve to plug the igniter earlier in. There’s only one way to connect the igniter because one side of the connector is rounded and also the various other side is square. If your igniter is good skip to the next step. If it’s bad then there you go, you understand what you have to replace. To remove the igniter every you need to do is eliminate one 1/4″ hex head screw as seen below:

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Removing the single screw the holds the igniter in place

Install her replacement igniter and the single screw and also reconnect the wiring connector.

Step 6: remove the lint screen box.

First open the door that the dryer and pull the lint display up and also out and set it aside. Climate there space two screws you need to remove indigenous the black lint display box and then that slides down and also off:

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Filter box screw locations

Step 7: situate the thermal fuse.

It can be seen right here on peak of the black fan box:

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Thermal fuse place on the fan box

And closer up:

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Thermal Fuse Location

On the components explosion diagram, part number 59:


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Part #59 is the thermal fuse (click because that a bigger version)

Step 8: Pull among the 2 wiring connectors turn off of the heat fuse and check the resistance in between the 2 terminals top top the fuse.


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Removing one of the connectors of the thermal fuse to inspect the fuse

If friend don’t remove among the wires you will certainly be measuring everything the fuse is in parallel with so you must remove at the very least one (and the doesn’t issue which one girlfriend remove). This is just a fuse so it have to read a brief circuit, i.e. 0 ohms. I didn’t obtain a picture of me measuring the resistance once it to be installed but here’s what you’ll watch if you have a bad thermal fuse:

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A poor thermal fuse will certainly be an open up circuit (overload)

The thermal fuse to be the problem and it’s a cheap part, prefer $5.

Step 9: remove the negative thermal fuse.

There are two 1/4″ hex head screws that host it right into place. I supplied a 1/4″ socket wrench:

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Removing the 2 screws native the heat fuse

Be cautious not to drop the screws into the hole the is created by removed the fuse. Here’s what it looks like removed:

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Old (bad) thermal Fuse Removed, component Number 3390719

Step 10: Reinstall the new fuse.

It doesn’t matter which way it go in and also it doesn’t matter which wire connects to which terminal ~ above the fuse either. Here’s a picture of the instead of fuse:

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Replacement thermal Fuse part Number 3390719

Again, the hex-head screws room 1/4″. Gain them started by hand and then usage a 1/4″ socket.

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Reinstalling the 2 1/4″ hex-head screws ~ above the replacement thermal fuse

Reconnect both wires come the heat fuse:

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Reconnecting the wires come the new thermal fuse

Step 11: Reinstall the lint screen box.

It slips top top the lint display opening native below and then has two screws, one on each side, and also there is a spring the presses it tight on the bottom left:

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The lint display screen box reinstalled

You deserve to reinstall the lint screen too now.

Step 12: check the dryer.

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At this suggest you have the right to plug it in and also turn the gas earlier on and also test the out. This is what you have to see if the is working, the gas burning:

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As you deserve to see, the igniter is working and the dryer lit ideal up once we replaced the poor thermal fuse

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