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AEG | Help and Support

I can hear a constant beep noise / my oven's display shows 400


  • I can hear a constant beep noise and my oven's display shows "400" after activation. it indicates that the appliance is connected to 400V.
Applies to:
  • integrated oven
  • freestanding cooker

2. Check if the appliance is correctly connected to the electrical supply

Ensure a correct installation by calling an authorized installer.

3. Contact an Authorized Service Centre

If the above advice do not resolve the problem, we recommend requesting a visit by a service engineer.

NOTE: Depending on the problem, you may be charged for a service visit by an engineer, even during the warranty period.

Warning: We do not recommend using the product until the problem has been completely fixed. Unplug the product and do not plug it in again until you are certain that it is OK to do so.