After using my oven once I had the same problems. I called back to say it didn't work. They offered to send the service man out again. I told them that the service man told me if the reprogramming didn't work I would need a new motherboard or computer brain. The service man called me to get the model and serial numbers and check on the cost of the new computer brain. After five days he did not call with an estimate, so I called him. He said the model number was not correct. I read the model number off the stove. The next evening he called and said this was not the correct model number. I bought a magnifying glass and gave him another number. He called back the next day to get the number again. Finally, 10 days later, he called to tell me the part was $350 plus $250 for labor for a total of $600. I asked him about the 30-day labor warranty. He said, yes, labor is $250, we take off $125 you paid already. Labor charge is $125. So I would have to pay another $450 to have him install a new computer. I would still end up paying $600, plus tax on the part. This was the cost of a new oven. When I called headquarters to rectify the situation, the man I spoke to refused to credit me for the labor and said only that they would send the service man out to reprogram the original computer again. I did not see how this would rectify the matter, since it had not worked the first time and the service man told me if it didn't, I would need to install a new computer. Headquarters refused to acknowledge this. My oven is still broken. Sears has several models for sale under $600. I may as well buy a new oven.