Question about Dremel 8000 01 Cordless Rotary Tool Kit Variable Speed 10.8 Volt Lithium Ion

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I have a Dremel Model 800 cordless rotary tool 10.8V. While using it one day to sand a small piece of wood, it felt extremely hot to the touch. I turned it off for an hour and when I went to turn it back on it ran at the highest speed. No matter if I start at one on the rotary dial or go all the way to ten, the speed is at top level. Also the 3 red battery indicator lights do not work at all. Is there any fix for this I can do myself. I really can't afford taking it to a repair shop right now, not that I know how much it would cost to repair or if it is even worth it. Can you please help me, thanks.

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Posted on Jan 02, 2017

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SOURCE: Model 800 Dremel cordless won't work

try putting the battery in the charger with the power turned off (unplugged from wall socket ) leave over night then start recharging fresh and dont disturb for 10hours after 10 hours see if any better hope this helps glenn.........

Posted on Nov 16, 2008

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SOURCE: Cordless Dremel variable speed stuck on maximum

Hi, There are several dealers in London who can help you solve your problem. The following link is has a list of those dealers with addresses and phone numbers:
Good Luck to you, this should Fixya!

Posted on Mar 02, 2009

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SOURCE: Dremel 395 rotary tool - not working

it is the coupling inside of it called a flex coupling and it seem s like it is made of wax or something. tomorrow i will go to home depot to see if they carry metal ones that won't break.

Posted on May 29, 2009

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SOURCE: Dremel 395 motor just stopped

if you cant afford a new one, and you are mechanically minded Id say why not give it a crack and open it up, could be something simple least it will give you some idea.

Posted on Sep 02, 2009

  • 1 Answer

SOURCE: I have a Dremel Single Speed Model 275 that

The Dremel 275 (and other series) have a plastic coupler and spline that connect the motor shaft to the collet shaft (where the tools attach). The plastic fatigues and disintegrates, causing the collet shaft to stop, even if the motor is still running. The fix is about $5.00 --- two parts from Dremel. The 275 case is a **** shell that opens with the removal of six T-10 Torx screws.

Posted on Sep 14, 2009

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