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De Dietrich built in hob error codesThese fault codes were used on De Dietrich ceramic and induction built in hobs for some time and we would not really recommend DIY repairs to these hobs. The error codes are not very descriptive and actually don't tell you all that much.

These codes are identical to those used on Brandt ceramic and induction hobs during the same period.

Before you start any investigation of the fault or even remove the lid of a ceramic or induction hob please read and fully understand this article in full and pay particular attention to the safety and information notices at the bottom of this page as they contain extremely important information!

Please remember to support our site by buying De Dietrich spares from our store here and, if you decide that you really need an engineer please support the local repairers that help make this site possible, you can search for a repairer using the engineer search.

  De Dietrich Induction And Ceramic Hob Fault Codes

These fault codes are written for appliance repairers and not for the general public by Brandt - De Dietrich and they assume a certain level of competence on the part of the user in diagnostic routines. We have added some notes to try to assist you in determining the nature of the fault you have but, you will still need to investigate each failure on its own merits. For more help and advice on fault finding on a built in hob please refer to our basic fault finding guides before you begin.


CTN electro temperature



Error detected - front left heating zone



Error detected - rear left heating zone



Error detected - front right cooking zone



Error detected - rear right cooking zone



CTN electronic short circuit



CTN electronic cut out



CTN electronic >70˚C and electronic circuit >~105˚C



Reversing of front and rear CT: Test with maximum power

  More Hob, Oven and Cooker Help, Advice And Guidance

Should you need more help and guidance please use the links from this article as most of them will help you to understand your De Dietrich hob a lot better and probably very much help you in diagnosing the fault you have. Of course there are many other articles on the site that will also help you do this.

In addition you can post in our help and advice forums after registering but please do pay heed to the information below before doing so and read the guides, they are there to help you.

You must understand certain things before you begin or attempt any repairs on your own and we want to make these points very, very clear to anyone that decides to investigate one of these or any other built in ceramic or induction hobs:

  • We are not responsible for your safety, you are and by using this guide you accept that and accept that any damage that you may cause and work undertaken is entirely at your own risk.
  • We will advise the common causes of the fault codes but we cannot guarantee that any parts or work recommended will resolve the issue. It is entirely your responsibility to diagnose your particular problem and resolve it.
  • We are not responsible for you buying spares that do not resolve the problem, this is down to your own diagnosis not ours.
  • No warranty is inferred, implied or given.

You also have to bear in mind that fault or error codes are not a "magic bullet", they will not tell you what the problem is, they will only offer you an indication of where the problem lies and they are no substitute for good old fashioned diagnostic skills. You can find out more about what fault codes actually tell you in this article. So please be well aware that, even with this new found knowledge you will still have to actually be capable of investigating and diagnosing the problem and this means adhering to basic appliance safety for working on them. 

Please do note that manufacturers can and do change fault codes without notice and we cannot guarantee that these error codes will apply to your particular model as all codes apply to a wide range of appliances and not normally any one specific model. To determine if these fault codes do apply to your particular De Dietrich built in hob  model please post a request to confirm this in the forums.

hob fault
i have checked power supply it is ok when i switch all displays light and then this code appears tA4e and below C7c4 any ideas?please
Patrick Finn
De Dietrich D.T. I704 Hob
Only 2 No. of the rings on my hob working, the left side rings are not working, can I reset?
De Dietrich Induction hob errors
Patrick Finn said :
Only 2 No. of the rings on my hob working, the left side rings are not working, can I reset?

Hi there,

We too have issues, did you ever sort your one?

I have found the standard fault codes from googling around on the internet for the De Dietrich hob, but ours seems to have a few additional ones that I can't find.

We have a De Dietrich induction hob model DTI705W3 type: LA6KOX1 7200W induction and only one side of the hob is working which I assume to be a circuit failure as we have had that previously unfortunately (a costly replacement part).

This time though the error codes seem to be different, we are showing:

- E1.2F and
- 23.A3

Any ideas on what these errors relate to?

Thank you in advance for any help you may be able to provide

Hi Patrick,

It will probably be either one side of the induction zones that\'s gone as they are linked normally or it will be one of the main control boards that have failed.

In any event it will not be a cheap fix I am afraid.

G GOddard
I have a DTi714V induction hob the cooling fan does not automatically turn off after use
You would be better to use the forums and ask about that where one of the guys might know what is causing it.
Colin Pepper
I have a De Dietrich induction hob. The manual is for DTV314 or 315, 316, 318, 320, 324. When turned on it goes off after 20 seconds displaying fault code E1 on left front and back rings. Can you advise me please?
John skevington
Christmas Eve! Our de Dietrich induction hob is nor working. I have looked for fault codes, however none match the one showing which is really just a half of a symbol. Some websites suggest rebooting the electrics but what does this mean? The oven from the same power switch is still working ( thankfully!)
Kenneth Watt
It sounds like a sensor of some sort but you'd be better to ask in the forums where the engineers will see the request, they won't here.
We have error code F0 on our de Dietrich induction cooktop model DTI749X. We know F0 means CTN electro temperature, but what does this mean exactly and how do we fix it?

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