My dremel 800 speed control doesnt work on setting 1 but does on 2 and only works again on setting 4. after that the only way to get it to work on some of the higher settings is to press the control in with your thumb. do you think it just need cleaning?
Tools & Hardware - Others - Dremel - 8000 01 Cordless Rotary Tool Kit Variable Speed 10.8 Volt...