Breville Air Fryer Error Codes E01, E02, E03, E04, E05, E06? (Explained)

If you use a Breville air fryer or want to use it in the future, you should know all the Breville air fryer error codes discussed in this post.

Sometimes a malfunction in the device’s components indicates an error code, and sometimes using it inappropriately causes the issue.

A Breville air fryer can show E01, E02, E03, E05, and E06 error codes when it detects an issue in its system. However, each error has a specific solution to another. So, knowing the causes and solutions of these error codes will help you to fix them whenever they occur in your unit.

Breville Air Fryer Error Codes

Below is the List of Breville Air Fryer Error Codes along with their Causes and Fix:

Breville air fryers undoubtedly make cooking easy and save time in preparing meals. But the fact is, it will be a problem when any error displays on its LCD. 

When the unit is brand new and is under warranty, we have the chance to replace it. However, if it’s an old unit, users should be aware of all error causes and their fixes.

Let’s discuss the causes and solutions of the Breville air fryer error code.

Error CodePossible ReasonsPossible Solutions
E01Thermistors open circuits in the device which is a fault and prevents elements from working.Unplug the device as soon as possible when the oven starts showing the error, and then requires to fix the open thermistor circuit.
E02Thermistor short circuitInvestigate and repair the thermistor issue.
E03OverheatingWhen the oven temperature is above the set maximum limitTurn off the device, and let it adjust the temperature before using it again.
E04When the room temperature is below the set minimumKeep the air fryer in a good ventilation place where it has access to the appropriate environment temperature.
E05Triac FailedReplace the faulty triac with a new one
E06when there is a non-resettable issue with the appliance.Need to have the air fryer repaired or replaced
list of Breville Air Fryer error codes

What does E01 Error mean on Breville Air Fryer?

Breville air fryers have a thermistor on top under the upper cover. This is an important component that regulates and measures the temperature in the unit. If your air fryer by Breville is displaying an E01 error code, it means its Thermistor is faulty and causes an open circuit fault, and prevents elements from working. 

When this component becomes faulty, it doesn’t provide the necessary input to the device’s control system to regulate temperature.


It requires replacing the faulty thermistor to fix the E01 error code. Sometimes it gets repaired when its connections are broken, but probably requires it to be replaced. 

You will need to first turn off and unplug the air fryer. After that remove its side covers and locate the thermistor in your Breville air fryer. This is usually a small cylindrical-shaped device that is located near the heating element or the control panel. 

Now, check all the wiring connections and ensure that they are not damaged or loose. Take a multimeter and test the resistance of the thermistor. If the resistance is steady or doesn’t change, the thermistor is faulty and you will need to replace it. 

Once you have the replacement thermistor, remove the faulty one and connect there new one. Assembly all the parts back correctly and restart your device.

What does E02 Error mean on Breville Air Fryer?

Almost all models of air fryers show an E02 error code when there is Thermistor short circuit. Technically, when a thermistor in the air fryer has a short circuit, a low resistance path between the two leads of the thermistor is caused. As a result, it causes the thermistor to malfunction and affects the performance of the air fryer.


If your air fryers show E02, you will need to check the thermistor resistance with a multimeter. If the resistance is near zero, it may have a short circuit. You will need to replace the short-circuited thermistor. 

Just remove it from your air fryer and replace it with a new thermistor. If you’re not familiar with their type of repairs, it is recommended to get help from a technician.

What does E03 Error mean on Breville Air Fryer?

If your Breville air fryer is overheated, it will represent an E03 code on the LCD. Overheating is a common issue in air fryers. This happens when the device temperature is above the set maximum limit, using too much oil and using the appliance in the wrong way. However, if this is the error code you want to fix, you can fix it without repairing the unit.


First of all, turn off and unplug your air fryer when it is overheated and displays the E03 error code. Let it cool down and adjust its temperature before using it again. Next time ensure that it is kept in a good environment to use.

What does E04 Error mean on Breville Air Fryer?

E04 error code is displayed when your Breville air fryer’s internal temperature sensor detects that the ambient temperature is too low to allow the unit to function properly. In simple words, when the room temperature is below the set minimum.


You need to move your air fryer to a location where the room temperature is within the operating range specified in the user manual. Alternatively, you can wait until the room temperature increases to the minimum required level before attempting to use the unit again.

What does E05 Error mean on Breville Air Fryer?

The E05 error on a Breville Air Fryer indicates that the triac failed. It is an internal component that is responsible for regulating the power supply to the heating element, which has failed. This issue can cause the air fryer to not heat up properly or at all.


When this error code is displayed, first, unplug your air fryer and let it cool down before attempting any troubleshooting. Now, restart it again. If the E05 error persists, it is advisable to repair or replace the faulty component. 

You can take the help of a technician in this case. If the unit is under warranty, simply contact the manufacturer’s support.

What does E06 Error mean on Breville Air Fryer?

The E06 error on a Breville Air Fryer typically indicates a non-resettable issue with the appliance. In simple words, there is a problem with the internal components of your air fryer that cannot be easily fixed or reset by the user. However, The specific cause of the E06 error can vary, but it may be related to a malfunctioning sensor, a wiring issue, or a problem with the control board.


As the cause of this error code varies, you will need to manually investigate the faulty component to fix it. Moreover, this is not an easy task for you if you’re not familiar with these types of repairs. 

So, you can approach Breville’s support or the nearest technician who can help you to address the issue correctly and make your air fryer work again.

Bottom Line

Beville air fryer’s error codes are E01, E02, E03, E05, and E06. Each cause has a unique cause and fix. So, if you are detailing with one, go through this article and understand its possible cause and fix.