New-microwave-not-heating-up, a new and better video update for the previous one where i explain how to fix your microwave that works but doesn't heat. easiest fix you can find. follow th.... If your microwave oven doesn’t heat, you may have a problem with a door switch. the door switches, often referred to as interlock switches, provide power to the various components in the microwave when the door is in a closed position, and interrupt power when the door is open., a microwave that does not heat up may have a broken magnetron. this is the part that makes the heat to cook the food. if it is broken, it may blow a fuse in your microwave which could lead to other components failing..
New well explained video here https://youtu.be/sgj0hvi6aj4 if your microwave works, has power and timer runs but there is no heating, the most common problem..., when a microwave isn't starting or heating, the most common reason is because it is in demo mode. this mode is used on retail showroom floors to show off microwaves without activating their magnetron. the microwave also won't heat if it does not have enough clearance or ventilation..
The microwave does not heat and makes buzzing noise. let us consider the situation when the microwave does not heat and produces buzzing noise. 1) high voltage transformer, start right here find appliance parts, lawn & garden equipment parts, heating & cooling parts and more from the top brands in the industry here. click on shop parts, or select the kind of product you're working with on the left and we'll help you find the right part. shop parts. Did the keypad respond and the microwave start? yes no; did the water heat after the test? yes no; if the keypad does not respond, it is possible that the child lock feature is active.. child lock is a safety feature used to lock the control panel when cleaning the microwave, so that children cannot use the microwave unsupervised., the diode converts the a/c power output of the transformer to d/c, doubling the voltage to nearly 5,000 volts. this high voltage powers the magnetron to heat the food. if the diode burns out, the magnetron won’t receive enough voltage to operate, preventing the microwave from heating. when the diode fails, it is often visibly burned out..
My first thought would be a blown magnetron. on microwaves, these can generally go dead, usually with a popping sound. i think there might also be a fuse in your microwave, but i do believe that if it was a blown fuse, your mw would not start up. the technician should also not forget the door switch since some of them can cause the same issue.