Content Summary

Are you wondering why you have an air fryer that's not heating up? Check out this quick guide!

We will go through the common reasons why an air fryer isn't heating up properly. From power issues to faulty heating elements, we will break down the potential culprits behind this frustrating problem.

Stay tuned to troubleshoot and solve these issues, so you can get back to enjoying crispy and delicious meals.

Cooking French Fries In A Mini Air Fryer

Reasons Why Is Your Air Fryer Not Heating Up

These are key points of the possible reasons why your air fryer might not be heating.

  1. Power supply issue - Your air fryer will not heat if the power supply is dysfunctional. Check if the power cord is securely plugged into a functioning outlet. Ensure that the circuit breaker hasn't tripped.
  2. Timer and temperature settings - Check to see that you have set the correct cooking time and temperature for your desired recipe.
  3. Overheating protection - If your air fryer has a built-in safety feature, it may have shut off to prevent overheating. Allow it to cool down for a while before using it again.
  4. Cleanliness - A dirty or greasy air fryer can affect its performance. Make sure to clean the heating element, basket, and other components regularly as per the manufacturer's instructions.
  5. Malfunctioning heating element - If none of the above steps work, there may be an issue with the heating element itself. You may be dealing with a broken or worn-out heating element that needs to be replaced.

Keep reading as we go through the details behind an uncooperative air fryer.

Using a small air fryer

1.Power Supply Issues

To continue our discussion on the possible reasons for a blocked air circulation in an air fryer, one common issue that can cause overheating protection is related to power supply.

If your air fryer isn't heating up, it could be due to a power cord malfunction or a power surge. Here are three power supply issues that can affect the heating function of your air fryer:

  • Power surge: A sudden increase in electrical voltage can damage the heating element or other components of the air fryer, like causing a blown fuse. Make sure to use a surge protector or plug the air fryer into a stable power source to avoid power surges.
  • Power cord malfunction: Check if the power cord is damaged or not securely connected to the power outlet. A faulty power cord can disrupt the flow of electricity and prevent the air fryer from heating properly.
  • Faulty heating element: Look for any visible signs of damage or discoloration on the heating element. If necessary, consult the user manual for your air fryer model for instructions on how to replace the heating element.
  • Overheating protection: Some air fryers have built-in overheating protection mechanisms that automatically shut off the heating element to prevent damage. If your air fryer isn't heating up, it could be because the overheating protection has been triggered. Allow the appliance to cool down for a while before using it again.

1.1. Check Power Source

To determine if the air fryer's heating element is faulty, inspect the power source. Start by checking the power cord for any signs of damage or wear. Make sure it is securely plugged into the electrical outlet.

If the power cord appears to be in good condition and properly connected, the issue may lie with the electrical outlet itself. Use a voltage tester to check if the outlet is providing the correct amount of power.

If the voltage is lower than it should be, try plugging the air fryer into a different outlet. If the problem persists, there may be a fault in the heating element that requires professional repair or replacement.

                   Action   | Outcomes

Inspect power cord          | Check for damage or wear
Check electrical outlet     | Ensure proper connection and voltage
Test with voltage tester    | Verify correct power supply
Plug into different outlet  | Determine if issue persists
Seek professional repair    | If your air fryer still continues to have problems, contact technician

1.2. Inspect The Heating Coil

To determine the functionality of the heating coil, carefully examine the air fryer's heating element. Here are some troubleshooting tips to help you inspect the heating coil:

  • Check for blockages: Inspect the heating coil for any blockages that may be obstructing the heat flow. Debris or food particles can accumulate on the heating coil and prevent it from heating up properly. Use a soft brush or cloth to remove any obstructions.
  • Inspect for damage: Look for any visible signs of damage on the heating coil, such as burns, cracks, or breaks. A damaged heating coil may not be able to generate sufficient heat to cook your food. If you notice any damage, it may be necessary to replace the heating element.
  • Test the continuity: Using a multi-meter, check the continuity of the heating coil. Set the multi-meter to the resistance or continuity mode and touch the probes to the terminals of the heating coil. If there's no continuity, it indicates a faulty heating element that needs to be replaced.
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2.Faulty Heating Element

While air fryers are generally reliable appliances, defects can occur during the manufacturing process, leading to heating issues. Here are some common causes and troubleshooting tips for dealing with manufacturer defects:

  1. Check the power source to ensure it's properly connected and functioning.
  2. Inspect the heating coil to see if there are any visible signs of damage or malfunction.
  3. Blocked air circulation can prevent the heat from reaching the food and cause the fryer to overheat.
  4. If you're unable to identify the problem or if the heating element needs to be replaced. It's recommended to seek professional repair services to ensure a safe and effective resolution.

How to Fix Digital Air Fryer | Air Fryer Repair - Heat Elements Not Working | TonaziTube

Fixing a small air fryer

3.Faulty Thermostat Malfunctioning

A faulty thermostat, designed to provide consistent air temperature, can cause your air fryer to malfunction by not properly regulating the temperature, potentially leading to overheating. This is a common issue that can be resolved through some troubleshooting tips.

Here are a few possible reasons why the thermostat might be malfunctioning:

  • Incorrect temperature reading: Check if the thermostat is displaying the correct temperature. If not, it may need to be re-calibrated or replaced.
  • Wiring issues: Inspect the wiring connections to ensure they're secure and not damaged. Faulty wiring can cause the thermostat to malfunction.
  • Sensor blockage: Dust or debris can accumulate around the sensor, affecting its accuracy. Clean the sensor carefully to ensure proper functioning.

3.1. Incorrect Temperature Setting

Adjusting the temperature on our air fryer can be a common cause of it not heating up properly. When it comes to getting the desired cooking results, it's crucial to adjust the temperature correctly.

Troubleshooting the temperature control might help resolve the issue. Set the temperature to the desired level. Make sure to follow the manufacturer's instructions for adjusting the temperature accurately.

If the temperature control isn't responding or the air fryer isn't reaching the set temperature, there may be a problem with the thermostat or heating element. In such cases, it's recommended to contact the manufacturer or seek professional help to diagnose and may be able to fix the problem.

3.2. Blocked Air Circulation

A possible reason for a blocked air circulation in an air fryer, leading to overheating protection, is inadequate ventilation within the appliance.

When the air vents of your air fryer get blocked, it restricts the air flow, resulting in insufficient air circulation. This can lead to uneven cooking and a lack of crispiness in your food. Blocked air vents can cause the air fryer to overheat and shut down as a safety measure.

To prevent this issue, regular maintenance is crucial. It's essential to clean the air vents, including those of the air fryer basket. Regularly remove any debris or buildup that may obstruct the airflow. Use a soft brush or a cloth to gently remove any dust or food particles that may have accumulated over time.

Ensure that the air fryer is placed on a flat and stable surface, allowing for proper air circulation. By maintaining good ventilation and regularly cleaning the air vents, you can prevent blocked air circulation and ensure the efficient operation of your air fryer.

Cooking pepper in a small air fryer

4.Air Fryer Fan Malfunction

Air fryer's fan malfunction is causing the heating issue. When the fan fails to work properly, it can result in insufficient air circulation, leading to uneven cooking and inadequate heating.

To troubleshoot fan issues, follow these steps:

  • Check for any obstructions: Ensure that there are no foreign objects blocking the fan blades, as this can hinder its rotation and lead to noise or complete malfunction.
  • Inspect the fan motor: Examine the fan motor for any signs of damage or wear. If there are visible issues, such as loose wires or burnt-out components, the motor may need to be replaced.
  • Clean the fan blades: Over time, the fan blades may accumulate dirt and debris, reducing their effectiveness. Clean the blades carefully with a soft brush to improve airflow.

5.Seek Professional Repair

You should consider seeking professional help if your air fryer has a faulty heating element. While troubleshooting tips can help us identify common issues, a professional diagnosis is necessary for more complex problems, like a faulty heating element.

    Professional Repair | DIY Troubleshooting

    Accurate diagnosis  | Limited expertise
    Proper repair       | Potential damage
    Warranty protection | No warranty
    Time-saving         | Time-consuming
    Safety assurance    | Safety risks

Air Fryer Heating Issues FAQs

What should I do if the power cord is not working?

First, check if the power cord is properly connected to both the air fryer and the outlet. If it is connected and the air fryer is still not heating up, try using a different power cord to see if that solves the issue.

Can having too much food in the air fryer affect its heating?

Yes, having too much food in the air fryer can obstruct the flow of hot air, which can lead to uneven heating or even no heating at all. Try reducing the amount of food you put in your air fryer and see if that helps.

What should I do if the outlet is not working?

Plug another device into the same outlet to check if it is receiving power. If the outlet is not working, you'll need to try plugging the air fryer into a different outlet or check if the circuit breaker has tripped.

How can I check the temperature of my air fryer?

Some air fryers come with built-in temperature controls or display panels. If your air fryer has this feature, check if the temperature settings are correct. If not, consult the user manual for instructions on how to adjust the temperature.

How can I fix an air fryer that is not heating up?

If the basic troubleshooting steps mentioned above do not solve the problem, you may need to call for appliance repair or contact the manufacturer for further assistance. It could be a technical issue that requires professional attention.

What can I do if my air fryer is still not heating up?

If none of the previous steps have resolved the issue, you might need to replace a part of your air fryer, such as the heating element or thermostat. Consult the user manual or reach out to the manufacturer for guidance.

Why do I need to check the power cord?

The power cord is an essential component that supplies electricity to your air fryer. If there is any damage or a loose connection in the power cord, it can disrupt the heating process. Checking the power cord ensures that it is functioning properly. You'll need to replace it if it's "gone". 

What can cause the circuit breaker to trip?

A variety of factors can cause a circuit breaker to trip, including overloading the electrical circuit, a short circuit, or a faulty electrical appliance. If the circuit breaker trips frequently when using the air fryer, it might indicate an underlying electrical issue that needs to be addressed.

How can I tell if my air fryer has a power issue?

To troubleshoot a power issue with your air fryer, there are a few common causes to consider. Check if the power cord is properly plugged in. Check the outlet. If both power cord and outlet are working. If so, check if the fryer's power switch is turned on.

Is it possible for the heating element to be faulty in my air fryer even if it still turns on?

Yes. Troubleshooting power issues and checking for a heating element malfunction can help identify the problem.

What does overheating protection mean and how does it affect the heating of my air fryer?

Overheating protection is a safety feature that prevents the air fryer from reaching dangerously high temperatures. If your air fryer is not heating up, it could be due to a faulty overheating protection mechanism.

Can incorrect temperature settings cause my air fryer to not heat up properly?

Incorrect temperature settings and power issues can cause your air fryer to not heat up properly. It is important to ensure that the temperature settings are accurate and that the power source is functioning correctly.

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Overall, by troubleshooting these possible issues, you can determine the cause and take appropriate steps to fix the problem, ensuring your air fryer heats up properly and functions as intended.

If your existing air fryer requires replacement, it's worth considering a new one from a brand known for its reliability, superior customer service and comprehensive warranty plans.


Check out our top-rated air fryers to find yours!

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Happy air-frying!

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