Samsung NQ70CB700D1230 Inch Microwave Combi Oven 1.9/5.1 cf Flex Duo Camera Full Steam Cook Dual Convection Air Fry Air Sous Vide LCD Controls Self Clean Bespoke: White Glass

ran thru setup, diagnostics and error code popped up. 5, maybe 6 service appts and no better. microwave sensor cook doesn't work. oven continues to heat after canceled, even after knobs turned off and program cancelled. oven turns off when door opened- randomly. steam function doesn't work. trying to replace, now oven no longer available. new model(?) more expensive and not avail until end of march. haven't had working oven since july. installed new cabinets and early august installed flex duo wall combo oven.