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Customer Questions and Answers for Dryer Thermister by Whirlpool

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    • Part Number: AP3919451
    • MFG Part Number: 8577274
    • Made by: Whirlpool
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Questions & Answers

For Whirlpool Dryer Thermister (Part Number: AP3919451)

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The metal plate in the back of the dryer drum is getting very hot (190-210F). It also has a funny smell. I've disconnected the vent hose and airflow seems to be good. I've tested the themister and it has a resistance of 13.6k ohms at room temp and it varies down as it gets hotter. I've also verified the thermostat has 0 resistance when it's at room temp and the coils cycle on and off as it's running. Any idea what the trouble could be?

Fred for Model Number wed9270xw1

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I am testing my new thermistor and it reads infinity on my multimeter, so no resistance and no connectivity. Does this mean it is a bad thermistor? The old thermistor has the same reading so that is why I ordered a new one.

Denise for Model Number duet dryer

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When my Whirlpool Cabrio dryer was just over 1 year old, it stopped. It would click and the sensing light would come on but it would not start. After some research the thermal fuse was replaced and it worked for a short while; then F22 began coming on. It would work for a while on some loads before the code would appear. My son replaced the thermistor #8577274 in December. It has the code F22 again and will not run more than 1 minute before stopping with this code. Should I just replace the thermistor again or is there something else cause this to happen?

Janice for Model Number WED7600xw

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My dryer gets hot but doesn't dry the clothes all the way. I have tried to use different temperature settings and cycles sometimes that works and sometimes it doesn't. I also think that the timer is off as well. I'm not sure where to start with this.

Megan for Model Number WED8300SW2

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Dryer runs but the igniter doesn't glow.The fuse is good. Igniter reads 79?

Hass for Model Number 11072882101

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Wife went to dry clothes. Panel lit up. Set load to Normal. When pushing start it acted as it was going to start but immediately died. Lights stopped at "sensing". Have checked door switch, thermal fuse, thermistor, fuse etc, all seem to be OK. Any suggestions?

Michael for Model Number GEX9868JQ0 Whirlpool Senseon

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Our Dryer wouldn't start, you'd press a button & I'd here a click but then nothing on the display it would show that the dryer is running , even though it wasn't .On an ohms meter it showed there was no power getting to the motor. so I replaced the circuit board ,after some research told me that had to be the problem. any ideas on what else it could be , the thermal fuse checks out fine, could the thermistor be causing this. thanks Dave

Dave for Model Number MDG22PRBWW0

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checked the thermister part number 8577274 with a multimeter on 200ohms and got an infinity reading. I assume the part is bad. Is that correct?

Charles for Model Number whirlpool duet dryer with steam

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If the thermistor is bad, can you bypass it by putting the two wires that go to it together (securely) and bypassing it? And, if so, and the dryer, still, does not run, what would you check next?

Dave for Model Number MED9800TQ0

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Hi I'm trying to track a problem on a whirlpool Cabrio dryer. The problem is a lot of clothes come out extremly wrinkled. We just replaced the thermal fuse cause it was missing/bypassed. We purchased this unit used and werent aware of the thermal fuse missing till we started having problems. After installing the new thermal fuse it worked fine for a week then it blew. I'm thinking it is the thermister , allowing the dryer to run too hot, causing the fuse to blow. I removed the thermister and it reads 15k ohms. It says it should read 10k , so is this my problem? Thanks Mike

Mike for Model Number whirlpool wed6200sw1

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