How to Fix a Whirlpool Dryer Not Blowing Hot Air

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Whirlpool dryers use hot air to dry clothes. The air is heated as it passes over a heating element, which consists of several metal coils. Because the heating element poses a fire risk, a high-limit thermostat is installed on the side of the element to monitor the overall temperature. If the heating element reaches an unsafe temperature, often due to a clogged dryer vent, the thermostat will trip, cutting power to the element. If your Whirlpool dryer is not producing hot air, your problem may lie within the heating element or the high-limit thermostat.

Things You'll Need

  • Screwdriver
  • Multimeter
  • Pull the dryer away from the wall and unplug the power cord from the wall outlet.

  • Remove the screws securing the rear panel of the dryer and remove the rear panel.

  • Find the heating element and high-limit thermostat, which is on the right-side of the rear of the dryer. The heating element is identifiable by the two terminals on the left side of the element. The high-limit thermostat is on the side of the heating element and is identified as a round, black plastic component.

  • Pull the wire off of the top of the high-limit thermostat and pull the thermostat off the heating element terminal.

  • Test the thermostat using a multimeter. To test, set the multimeter to the lowest setting for Ohms of resistance and calibrate the meter, following the meter's owner manual. Touch one of the terminals on the thermostat with one of the multimeter probes and touch the other terminal with the other probe. If the meter displays a reading of 0 Ohms of resistance, the fuse is properly functioning. If any other resistance is shown, replace the high-limit thermostat.

  • Pull the wire off the other terminal on the heating element and then remove the screws securing the heating element to the dryer. Remove the heating element.

  • Touch each of the heating element terminals with the multimeter probes and look at the display. If the multimeter shows a resistance between 0 and 50 Ohms of resistance, the heating element is functioning properly. Otherwise, replace the heating element.

  • Install the old or new heating element and high-limit thermostat by reversing the steps taken to remove the components from the dryer.

  • Reassemble the dryer, plug the power cord back into the electrical outlet and move the appliance back into position.

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