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The thermal fuse on my Whirlpool Cabrio keeps blowing. The exhaust vent is clean and clear, what should i check next after replacing the fuse again?

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If you keep blowing the thermal fuse there is a air flow restriction some where disconnect the exhaust at dryer turn on you should have a good air flow exiting machine if not check the blower wheel for lint build up if good the it is in the exhaust exiting the house this is a rarity but the thermistor which cycles heat on/off could be bad hope this helps

Posted on Apr 01, 2014

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Posted on Jan 02, 2017

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SOURCE: Hotpoint NVL333EY Electric dryer blows thermal fuse

I had the same thing happen, I replaced the thermal cutoff and made sure no lint build up. It lasted a week then blew again. I then replaced it again and got to thinking why it would blow. I then took apart the exaust inside the dryer running fron the drum to the motor and right before the motor was a build up of lint ane particals that was almost like compressed sawdust which was blocking half of the line. I cleaned this out and it seemed to work much better.

Posted on Jan 04, 2008

  • 132 Answers

SOURCE: thermal fuse keeps blowing

Good Afternoon,
Unless there is something restricting the ventilation I think you are having a problem with the heating coil staying on too long. If that is the case, one or more heating sensors are bad. Let me know if this helps and thank you for using FixYa!

Posted on Mar 27, 2009

  • 1738 Answers

SOURCE: I have a May Tag dryer which blows the Thermal Fuse.

I am not 100% sure, but I think that the model that maytag had with that dryer. When I was working for my local dealer I had to change several of those, and it about 2 weeks time they blew.

Posted on Aug 09, 2009

  • 2118 Answers

SOURCE: Maytag performa Keeps blowing Thermal Fuse. Vents

something is still plugged with lint,if the vent line is long blow it out with a leaf blower to clean it out,you have to clean out the duct that the lint filter slides into,if the filter is on top remove the vent line,remove the back panel,remove the lint filter and the two screws in front of it and remove the four screws and clean out the duct,if the filter is in front take off the bottom panel,remove the filter and clean the duct,also vac out the inside of dryer where the motor is,when the dryer gets to hot the thermal fuse pops as a safety so you still have a block somewhere

Posted on Mar 19, 2010

Jahn27
  • 1554 Answers

SOURCE: Whirlpool Cabrio model WED6200SW1 clothes dryer

There are two thermistors (thermal sensors) in this dryer; one is the outlet thermistor located on the blower housing and the other is the inlet thermistor located on the heating element housing as an integral part of the high-limit thermostat.
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These thermistors are negative coefficient type and monitors the dryer temperature on their locations according to their resistance which varies inversely with the temperature. The resistance drops as the temperature rises and rises as temperature drops.

One or both of the thermistors has an open connection or high resistance which makes the electronic control board thinks that the dryer temperature is low no matter how high it is. The electronic control board then doesn't cycle the heater relay and continue to turn on the heating element. The dryer temperature continues to rise and this blows the thermal fuse.

Make sure the thermistors are connected snugly. Remember that loose or open connection means high (infinite) resistance which makes the electronic control thinks of low dryer temperature. Measure the resistance of each thermistor then refer to the tables below. Replace the thermistor if the resistance reading doesn't comply with the table.
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Let us know if you need further advice. Please accept the solution should you find it helpful and informative. Accepting the solution will not stop you from communicating with the expert. You can still communicate with the expert should you need further advice regarding the issue stated herein.

Posted on Mar 02, 2011

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Dryer getting over heated. Check your exhaust vent for good air flow. Also your operating thermostat could be defective overheating the dryer and blowing your thermal fuse. To check resistance set your multimeter to ohms and connect your leads to thermistor make sure to disconnect the wires from the thermistor.

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Check to make sure your vent is clear, this can cause the overheat problem and blow the thermal fuse.
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  • Access the thermal fuse in your Whirlpool dryer by removing the back panel. Remove the screws that hold the back panel in place and it should easily come free.
  • Look between the dryer's blower housing and exhaust to locate its thermal fuse. The thermal fuse in a Whirlpool dryer looks like a white plastic strip that has two wires connected to it.
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