Rangemaster Toledo Had a power cut, then the (electric) ovens don't work. Everything else seems fine (except the display keeps flashing). Is there anything that can be done to prevent me from taking a sledgehammer to it and devoting my life to destroying the company that makes them?

We had the same problem - a power cut then the clock flashed up 'auto' preventing the oven from working.
After downloading the manual from the rangemaster website we learnt that all you need to do (for the classic dual fuel anyway) is to press in the 2 buttons on the left and set the time using the + or - keys. Dead easy and Christmas dinner is back on!

Set the time - the ovens won't work unless the time is set as the clock thinks it's programmed to turn the ovens off.

Check out the rangemaster.co.uk website as the user manuals are there as Adobe PDF files.