Lg-microwave-not-heating-anymore, when the microwave oven does not heat, it may be caused by entering the wrong settings or an inadequate power supply. the microwave should display an error code if there is a severe problem which requires a technician. if there is no error code on your microwave's display screen, then let's troubleshoot. do you see any error code?. 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, disconnect the microwave from its power source. remove the microwave’s cabinet to locate the magnetron. clean up the microwave cavity if needed; discharge the high voltage capacitor to ensure that the high voltage diode is working and the mounting bolts are tightened..
This lg microwave oven ms-1921he belongs to my cousin, and during our family visit to their home, his wife told me that it was not heating up, though it was getting on and rotating (runs but doesn’t heat)., the microwave does not heat well, does not heat at all, or heats “from time to time” if the voltage in the power grid is less than 210 volts, then the microwave power is reduced..
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., 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.