I have a Samsung Combi Oven - Microwave/Conventional oven - Model CE1100
There is a shrill beep coming from it every 50 seconds, even when the oven is unplugged! It is different than the beep it makes when the oven is finished being heated or the cooking time is ended. Both the microwave and conventional oven works fine still. I called Samsung Technical Support, but they had no answers for me. The oven is no longer under warranty. Any suggestions?

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