Brand-new-lg-microwave-not-heating, 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.. Hi. if the warranty period on the magnetron is still valid, i suggest that you contact lg customer service regarding a repair inspection. it is the magnetron that creates the 'heat' so whilst it may not be the magnetron itself that is the problem (but perhaps some components that supply the magnetron) you could be voiding the warranty on the magnetron if you attempt to open the microwave to ..., 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.
Warning!! always put safety first when dealing with electricity!!! microwave not working?? quick troubleshoot and what you may need to fix video! to support ..., 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.