Why does the oven go into pyrolysis on its own?

Your oven starts pyrolysis all by itself, without you having asked it or having programmed it? This phenomenon can be a source of concern. And although it does not pose a danger to you, it can still cause property damage. In this article, we will then see the reasons why pyrolysis can start on its own et the means you have to remedy it.

What is Pyrolysis?

Before diving into the reasons why your oven goes into pyrolysis on its own, it is important to understand what this phenomenon is. Pyrolysis is an oven cleaning process during which it heats up to a very high temperature, usually around 500°C, to burn food and fat residues.

What is pyrolysis?

This function is practical because it eliminates residues that are impossible to remove manually. It allows for deep cleaning.

The reasons why the oven goes into pyrolysis automatically

Several reasons can lead to the unintentional ignition of the pyrolysis. Among the most common are the following causes:

  1. Problems with the command button. The control knob, also known as the program selector, of your oven may be damaged, dirty, jammed or loose, which may cause the pyrolysis to start unintentionally or a automatic oven start.
  2. Programming error. If you have programmed your oven for pyrolysis, it can start automatically at the programmed time, even if you are not in the kitchen or it was not switched on.
  3. Problems with the electronic card. If your oven's electronic board is faulty, it can send automatic cleaning signals without you asking.

Some oven models have the automatic pyrolysis start function when it detects that the oven is too dirty. However, in principle, this is done with your OK, if you have enabled the " automatic pyrolysis » or if you have it previously program. If the pyrolysis starts on its own when you have started cooking or when it was off and you had not started programming, this is indeed due to a malfunction.

Read also: Why does the oven trip during pyrolysis?

How to prevent the oven from going into pyrolysis on its own?

When your oven automatically triggers pyrolysis, the first thing to do is to try to stop it to avoid damageAnd then check if you are entitled to a guarantee. If this is the case, we advise you to seek the assistance of the reseller store or the manufacturer for a diagnosis and a repair at no charge. If not, you can attempt to repair the oven yourself by following the steps below:

Note: If your oven has started pyrolysis automatically and you have the cut the power of the oven during the pyrolysis to stop it, be aware that you will have to wait for the oven warms up so that the door unlocks. So you will definitely need wait several hours. 

Deprogram pyrolysis

If you do not plan to use the pyrolysis function or if your oven has an automatic programming function for the latter, deprogram it to avoid any unintentional start of the pyrolysis mode. For more details on this subject, we advise you to read the user manual corresponding to your model and brand of oven.

Read also: Why remove the grids during pyrolysis?

Check the control button

Very often your oven goes into pyrolysis on its own because the control button is dirty or faulty and that this leads to a false contact. A bad contact can then lead to the automatic switching off of the oven, or, on the contrary, to start a program involuntarily as in your case.

Make sure the control knob is not stuck or loose.

Then turn off the oven by unplugging it from the electrical outlet or turning off the power at the circuit breaker. Then clean the control knob using a sponge and soapy water.

You will also definitely need to clean the back of the button, where the the program selector or the oven switch. To do this, you will have to remove the button by pulling on it and use a special electronic cleaner spray. Obviously, this manipulation requires a minimum of handyman because there is a risk of breakage. Moreover, it should not be made in case of guarantee because you would lose your rights.

Si the oven knob or selector seems too damaged, it's better to replace it by a new equivalent.

Replace the electronic board of the oven

La electronic card sends all command and power information to the other elements of the oven. If it is defective, it may send bad information, including that of starting the pyrolysis. In this case, it will have to be replaced so that your oven stops starting pyrolysis without you asking.

why does the oven go into pyrolysis on its own?

If you have electronic skills you can replace it yourself but be careful to take an equivalent and qualitative card to avoid other breakdowns. Note that the older your oven, the harder it will be to find spare parts. Otherwise, have it changed by a professional.

Obviously, if the oven still has the right to guarantee, contact the retailer or the manufacturer's after-sales service (Whirlpool, Candy, Electrolux, Indesit, Bosch, etc.).

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