crwdns2934241:0crwdne2934241:0 b.bmcvay

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Why does the blender make a grinding metal to metal sound sometimes.

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The blender starts correctly and then will intermittently have a metal to metal sound during the grind cycle.  It makes a similar noise at all speed options. Sounds like something has come loose in the housing.

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Nutri Ninja Ninja Blender Duo BL641

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open