Microwave-making-loud-noise-not-heating, if your microwave is making an unusual or loud humming noise, you may have a problem with the magnetron. this component is part of the high voltage circuit and provides the microwaves that generate the heat. if the magnetron is defective, it may cause a loud humming or buzzing noise. access to the magnetron will require removal of the cabinet.. If your microwave is making a loud humming or buzzing noise, it may mean the magnetron is not working properly. the magnetron is part of the high voltage circuit that generates heat in the microwave., free repair help for your microwave oven. your microwave is not heating, but you can hear a loud buzzng noise. same-day shipping and hassle-free returns on all appliance parts from partselect. partselect offers free microwave repair help..
View this repair: http://www.appliancevideo.com/kitchenaid-khms155lbt0-microwave-diagnostic-repair-will-not-heat-loud-noise-when-running/ visit us at http://..., ok that's what i figured. if the microwave still looks like it's working, but it's buzzing loudly it's just not heating--that means your magnetron or transformer that powers the magnetron has likely failed. the magnetron is the part that actually creates the microwave to heat the food and it commonly goes bad and rarely gives a warning..
The magnetron makes the heat, so disconnected it cannot. leave the wires off the mag. disconnect the other wire from the transformer that goes to the capacitor and run the unit again-if quiet then you have either a bad diode or capacitor here then so you would replace both of them., is your microwave noisy? a microwave making unusual noises is a common problem for many people. having a noisy microwave can be very frustrating. find out what the 6 main causes are for a noisy microwave oven and discover some simple solutions to fix the problem..
My ge profile spacemaker 2.0 started to hum a bit louder and now makes no heat. i followed the ge troubleshooting flow-chart and it points to the magnetron, but the resistance checks (continuity pin-to-pin, open pins-to-case & no sign of any arcing or cracks in magnets)., microwave is making a loud humming noise if your microwave is making a loud humming noise, first check to see if it still heats efficiently. often, the humming noise is associated with a microwave malfunction. the following tips will help you troubleshoot the problem in either situation.