Question about Samsung Microwave Ovens

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Samsung Microwave SMH1816S

When I touch the panel start to begin operation, nothing happens other than the countdown timer working. I open the door, place the food inside, set the time and power level, shut the door, hit the start and all that happens is the time begins it's normal countdown. Inside the oven remains dark and the turntable doesn't move.

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Stan Ford

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Switch it off from the wall for a few seconds , then witch it back on and set the clock , this should reset it , if not contact a service man .

Posted on Oct 29, 2021

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The basic function and operation of the microwave oven since its invention in the mid 1940's has not changed much at all. Essentially the only major advances in this end equipment that have transpired over the years have been improvements in the user experience. Microcontrollers have helped in this regard as they include more features such as Popcorn, Dinner Plate and Defrost modes. Another rather recent innovation is the ability to measure the steam in the cooking chamber which provides the microcontroller information on cooking time required. As the internal microwave frequency in the magnetron is typically around 2.45 GHz and microwaves are almost as ubiquitous as washing machines, other wireless technologies such as Bluetooth which operate in the same frequency much have the capability to do frequency hopping in case of interference. Along with the traditional 5 V analog and logic commodity devices used in this end equipment, Texas Instruments also provides feature-rich products that integrate relay drivers, zero-volt detection, brown-out detect feature, and 5 V linear regulation that allow for keeping BoM (bill of materials) costs within budget.
5 V Logic and Analog: Texas Instruments provides the largest portfolio in the commodity space that gives designers the flexibility to choose from any logic function needed. Whether it's an AND gate or a single-bit buffer that is needed on the board, TI has it. Likewise, TI offers a wide selection of standard linear devices for regulation (linear regulators), LEDs (LED drivers), signal conditioning (operational amplifiers), etc and are available in industrial temperature range.
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