If the fan in your oven is working effectively, you may have a problem with your fan oven element and should try and get it looked at. If this is indeed the problem with your cooker, you should consider replacing it with this circular element for Kuppersbusch ovens. As a high quality alternative to your original element, this circular element is one of many fan oven parts that we stock here, and with a 2400W output, your cooker will feel as good as new once this part is fitted.
As this part may also fit certain Hoover ovens, pleas ensure that it is compatible with your appliance before purchasing. You can check this by entering both the manufacturer and model number of your appliance on our homepage. If you have any further issues regarding your model number, simply visit the help centre via the link in the top right corner of the screen.