i need to reset my oven. i had a guy come over and look my oven and he said that i can not turn off the switch at the wall all i would have to reset the whole thing. then told me its ok you can download the manual from google. well someone has now turn it off and i have been looking for the manual to do as he said but can not find it online.fisher and paykel multifunction oven model RA535MEW serial no. AAD141999. Please help