How can I fix my AEG MICROMAT COMBI?

My AEG MICROMAT COMBI 663E has 'Err 3' displayed; how do I get rid of it and start using it again?
I do not have a handbook as it was here when I moved in and the previous owner wittily took it with her to Australia.
Ian Charnock, November 2007


done
turn off power supply to your microwave leave for five min and turn back on it worked for me

lawrence mark goodey, February 2008
link Click here to see other fixes for AEG.