Very low rumble when oven is on, more noticable as oven warms up

February 2021 2 9 Report

Very low rumble when oven is on, more noticable as oven warms up

Our DCS range is about 3 years old. Just lately we hear a very low rumble when the oven is on. It is not continuous, but it rumbles (like a fog horn) stops then repeats. Any ideas - many thanks!