Hotpoint Aquarius Tumble drier, CDT00 Home › Forums › Public Support Forums › Help And Support › Tumble Dryer Help Forum › Hotpoint Aquarius Tumble drier, CDT00 This topic has 1 reply, 2 voices, and was last updated 12 years, 2 months ago by DRDLC. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts February 2, 2014 at 5:44 pm #79328 DRDLCParticipant My Hotpoint drier seems to be working ok, but is emitting a black dust, a little like carbon black at the right hand side and underneath. Any ideas on the source and what action needed? February 2, 2014 at 6:58 pm #408837 iadomModerator Re: Hotpoint Aquarius Tumble drier, CDT00 Most likely to be rear bearing failure, take off the small cap covering the rear bearing at the back, dead centre to inspect. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In