I recently bought an AEG combi oven with steam and hot air functions, and for the past few days it's been making a buzzing sound when I turn it on, especially when it's using the steam. Is that normal or could something be broken?
Steam ovens tend to make noise when the heating system kicks in or when water circulates, so a humming sound isn't necessarily cause for alarm 🔧 But if it's a sound it didn't make before or if it's particularly loud/weird, it's worth checking out: could be anything from a loose part vibrating to a problem with the water pump or heating elements. I'd say call AEG's service center while it's still under warranty, because if something's going wrong it's better to catch it early and it won't cost you anything if it's still covered.
Ovens with steam function usually make noise when the heating system warms up the water, so a buzzing sound isn't unusual, but if it's really loud or changed suddenly after a week, it could be a problem. First thing is to check if the water tank is properly seated and full, because sometimes a loose contact causes that sound. If it keeps happening, better contact AEG's technical service while it's still under warranty, because it could be anything from something simple to a part that needs inspection.
Is it a constant buzzing sound or does it stop after a few minutes? That helps figure out if it's something normal from how it operates or if you actually need to worry.
Most likely it's the steam system activating, especially if it's new. Those ovens have water pumps that build pressure to generate the steam, and that sounds like a buzzing or kind of weird humming the first time you hear it. A lot of models make noise when they're heating up or switching between functions. If the buzzing only lasts about 10-15 seconds and then it runs normally, almost definitely that's what it is.
But if the noise doesn't stop, sounds like a loud squealing or comes with smoke or a weird smell, then you need to do something about it. Check that the water tank is properly seated and full, because if it's not fitted right the system goes haywire. Also look in the manual to see if there's some self-cleaning or descaling cycle that might be running automatically, because that makes weird noises too. If after checking all that the problem keeps happening, it's time to contact AEG directly, especially since it's under warranty being brand new.
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