where did you buy the unit. you still be under warranty. noises are funny sometimes, you think it is hear but then its over hear. There will be noise fron under the belt that is normal. sometime it is louder in a house then in a store. you may need some waxon the deck as well. culd be plastic rubbing in the belt.
I’m happy to help further over the phone at
https://www.6ya.com/expert/howard_079189dd4959a511
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