I bought a microwave oven. Initially I had no problems but now it buzzes quite loudly. Should I worry?
Answer:
With the info you gave it is not easy to identify the problem. But if any cover is not tightly fixed, it is possible that the electric transformer by its electromagnetic activity is vibrating the loose cover. It may be rear-cover or side-cover of the Oven. Try to press all covers one by one and see when it stops. Once the cover is identified, you can try to tighten it.
One more but very rare possibilty is loose cooling fan blade. Try checkup and fix it.
The noise will not cause any damage to Oven. In course of time some screw may fall, (if you are lucky), then you can fix it solving the problem for ever.
Try putting pressure on the door while it is on, that might stop the buzzing/vibrating.
If it is still under warranty take it back and get a knew one.
If it is the fan, then the only worry is your microwave will over heat and then it will shut off until it cools.
you should bring it back to the retailer you bought it from!
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