by the main control board,do you mean the printed circuit board ? because i have already tried a new one in it.
i would like to rate ,but you have nt answered my further question
Hi yes the main board that has all the controls on it. If that didnt help, then the motor needs to be replaced. And after looking at your answers I believe thats your issue. You can check to see if yours has removable motor brushes, that would be a cheap fix but just as good. Thats what I would replace.
had a new motor less than 3 months ago,think i'll just buy a new one.thanks