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It started out making odd sounds and now turns itself on.
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Also after brewing it would make a continual hissing sound, very annoying.
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Makes horribly loud buzzing sound after just 3 months.
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Also when it keeps the coffee warm it is very loud popping sounds makes me nervous
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but it makes a hissing sound on the new one that the old one did not make
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Most of the time it does make a weird sound.
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It makes the coffee but makes a loud screeching sound.
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Brew cycle stopped in the middle and a loud roaring sound came from the heating element.
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at first it made bubbling sounds but after a few days the sounds got softer and now we barely hear it
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it makes a "hissing" sound, which the previous two did not.