“The "powerpack" on the cord seems to emit a hum. I am concerned that this indicates there is something wrong with it and want to return it within the 14 days.”
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I have the same concern and wonder if this means there is some power consumption!
Sorry, there was a problem. Please try again later.Hi there, this is Krystal with Dyson. The noise you are hearing is caused by some of the electrical components emitting a frequency which can sometimes be heard as an electrical humming noise. It does not indicate a fault with the machine. Best Wishes, Krystal Dyson Customer Service
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