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Duet Whirlpool Dryer Not Heating? Here’s Why (+ How To Fix)

Even though the Whirlpool dryer is known for its reliability and advanced features, it also encounters issues caused by the malfunctioning heating system that can frustrate anyone. To solve the challenge of a Whirlpool dryer not heating, start by checking the power supply. This tells you whether there is power going to the machine. Also, check the circuit breaker to ensure that it has not tripped. If these measures fail,  examine the thermal fuse, heating element, and thermostat for any signs of damage or malfunction.

It’s also crucial to clean the lint filter and exhaust vent, as dirt can restrict airflow and cause heating problems. If these measures do not solve the issue, it might be best to seek assistance from a professional technician.

Has your frustration led you to ask, “How can I troubleshoot a Whirlpool Duet dryer that is not heating?” If you answer yes, you have come to the right place. In this guide, I will walk you through troubleshooting a Whirlpool Duet dryer that is not heating. I will explore the common reasons behind this problem and provide practical tips to help you get your dryer back up and running efficiently.

Why Is My Duet Whirlpool Dryer Not Producing Heat?

If you’re going to read nothing else from this article, here are the quick reasons your Duet Whirlpool Dryer is not producing heat: 

  • Heating element malfunction
  • Blown thermal fuse 
  • Gas igniter failure
  • Gas valve solenoid not working correctly 
  • Malfunctioning igniter switch
  • Thermostat issues 

Reasons for a Whirlpool Duet Dryer Not Heating

Now that you have an idea as to why a Whirlpool Duet dryer may stop heating, let’s delve deeper into these common reasons. 

Heating Element Failure

The heating element generates heat in your dryer. Over time, it can become faulty or burn out, resulting in a lack of heat. A defective heating element is likely to blame if your dryer drum spins but remains cold. You will need to replace a faulty heating element to restore proper functioning.

Thermal Fuse Blown

The thermal fuse is a safety device to prevent the dryer from overheating. The thermal fuse blows once it detects a temperature rise over a certain threshold, cutting off power to the heating element. Due to this, your drier will no longer produce heat. It’s important to note that a blown thermal fuse indicates an underlying issue, such as restricted airflow or a faulty component. Therefore, addressing the root cause and replacing the thermal fuse to restore heat is crucial.

Gas Igniter or Gas Valve Solenoid Issues

For gas-powered Whirlpool Duet dryers, the gas igniter and gas valve solenoid control the gas flow and ignition. If either of these components malfunctions, the dryer won’t heat up. The gas igniter lights the gas to create heat, while the gas valve solenoid regulates the gas supply. Check these components for faults or defects if you notice a lack of heat in your gas dryer.

Igniter Switch Malfunction

In electric Whirlpool Duet dryers, the igniter switch triggers the heating element to produce heat. If the switch fails, it won’t send the necessary signal to the heating element, resulting in no heat production. You can determine the cause of the problem by testing the igniter switch using a multimeter. If it’s defective, replacing the switch is recommended.

Thermostat Failures

Whirlpool dryers contain multiple thermostats regulating the temperature during drying. When anyone of the thermostats fails, then this may lead to your whirlpool dryer not heating up. It’s important to test each thermostat to identify the faulty one and replace it accordingly. Common thermostat issues include improper temperature regulation, failure to maintain consistent heat, or failure to activate the heating element.

How to Troubleshoot a Whirlpool Dryer That Is Not Heating?

Now that we’ve explored why a Whirlpool Duet dryer may not heat up, let’s move to some troubleshooting steps to resolve the issue:

Check the Power

Ensure the dryer is plugged in and receiving power. Test the outlet by plugging in another appliance or using a voltage tester. If you test and find no power, check the circuit breakers. Chances are that the breaker has tripped or the fuse has blown. Resetting the breaker or replacing the fuse may solve the problem if necessary.

Clean the Lint Filter 

A clogged or dirty lint filter can restrict airflow and cause the dryer to overheat, triggering the thermal fuse. Remove the lint filter and clean it thoroughly. Additionally, inspect the lint trap and exhaust vent for any blockages and clear them if necessary. Proper airflow is essential for efficient drying and preventing overheating.

Inspect the Heating Element

Test the heating element for continuity if you have a multimeter. Disconnect the dryer from the power source and access the heating element by removing the back panel. Set the multimeter to the continuity or resistance setting and touch the probes to the terminals of the heating element. The heating element is faulty and needs replacement if there is no continuity or a significantly high resistance reading.

Check the Thermal Fuse 

Similar to the heating element; you can test the thermal fuse for continuity using a multimeter. Ensure the dryer is unplugged and locate the thermal fuse, usually found on the blower housing or exhaust duct. Remove the wires from the thermal fuse and test it with the multimeter. If there is no continuity, the thermal fuse has blown, and you should replace it.

Inspect the Gas Igniter or Gas Valve Solenoid 

If you have a gas dryer, check the gas igniter or valve solenoid for any visible defects or damages. A faulty gas igniter may not produce the spark to ignite the gas, while a defective gas valve solenoid can prevent the gas supply. If you notice any issues, replace these components.

Test the Igniter Switch 

In electric dryers, testing the igniter switch can help determine if it’s causing the no-heat problem. Use a multimeter to check for continuity while the dryer is unplugged. If there is no continuity when the switch is activated, it indicates a faulty switch that needs replacement.

Examine the Thermostats

Test each thermostat in your Whirlpool dryer for continuity using a multimeter. Unplug the dryer, access the thermostats, and remove the wires. Conduct an exhaustive evaluation of each thermostat, meticulously examining its readings to ascertain alignment with the exact specifications delineated by the manufacturers. Replace any thermostats that do not show continuity.

What to Do If Your Whirlpool Dryer Is Not Heating

As you start your Whirlpool dryer troubleshooting, it’s helpful to gather some additional knowledge and tips below that will be valuable to get it working correctly. Here are a few other tips:

  • Refer to the manual: The user manual with your Whirlpool dryer contains valuable instructions. It often includes troubleshooting tips for your model, diagrams, and instructions for accessing various components.
  • Watch online tutorials: Online video tutorials can provide visual guidance for troubleshooting your specific Whirlpool dryer model. Many professionals and DIY enthusiasts create detailed videos to help others with appliance repairs.
  • Purchase Quality Replacement Parts: If you need to replace any components in your dryer, opt for genuine Whirlpool parts or reputable third-party alternatives. Using high-quality parts ensures better compatibility and longevity.
  • Regular Maintenance: To prevent future issues, perform routine maintenance tasks, such as cleaning the lint filter and checking the vent system. This will allow optimal functioning of your drier and prevent your Whirlpool dryer not drying. 


Dealing with a Whirlpool Duet dryer that is not heating can be frustrating. Still, with the proper knowledge and troubleshooting steps, you can resolve the issue and restore your dryer to its efficient functioning. By identifying common causes such as a faulty heating element, blown thermal fuse, issues with the gas igniter or gas valve solenoid, malfunctioning igniter switch, or problematic thermostats, you can pinpoint the root of the problem.

To troubleshoot your Whirlpool dryer, check the power supply and ensure proper airflow by cleaning the lint filter, trap, and exhaust vent. Testing the heating element, thermal fuse, igniter switch, and thermostat using a multimeter will help you identify faulty components needing replacement.

Consider the user manual for specific instructions and watch online tutorials for visual guidance. Opt for genuine Whirlpool parts or reputable alternatives to ensure compatibility and durability when purchasing replacement parts. Regular maintenance, including cleaning the lint filter and checking the vent system, will also help prevent future issues.

With these tips in mind, you’re now well-equipped to tackle the challenge of a Whirlpool Duet dryer not heating up. Good luck, and may your laundry soon be warm and dry again!


Why is my Whirlpool dryer not heating? 

There are several potential causes for a Whirlpool dryer not heating, including a faulty heating element, issues with the thermal fuse or gas valve solenoid, a clogged ventilation system, or even improper dryer settings.

What are the common causes of a Whirlpool dryer not heating? 

The common causes of a Whirlpool dryer not heating include a faulty heating element, thermal fuse issues, a defective gas valve solenoid, a clogged ventilation system, or a clogged dryer.

How can I troubleshoot a Whirlpool dryer that is not heating? 

Start by checking the power supply, cleaning the lint filter, inspecting the ventilation system, testing the heating element and thermal fuse, verifying the dryer settings, and seeking professional help.

What should I do if my Whirlpool dryer is not heating?

If your Whirlpool dryer is not heating, consult your manual and follow the troubleshooting instructions. Remember that if you perform any repairs, you should first switch off and unplug the machine from the wall. 


  • Chris Hewitt

    Chris is a Texas-based freelance writer who loves the outdoors and working in his garage. When he's not enjoying the Texas sun, he can be found tinkering with all sorts of things in his workshop.

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