Pressure switch that I point out the bottom cover but what is the specific thing? Fault display is E3 pressure switch may open the way now to the New Year's maintenance where no one wants to tell me the details of the pressure switch position is best coupled with pictures kneeling Xie
With the blade and fine sandpaper specifically what is rubbing it rusty or something like white rubber ah?
To answer
I suggest you take the sales outlets for repair.
you You can use the blade or fine sandpaper to deal with the next pressure switch contacts can be resolved.
YY-50YS6A show "E3", buzzer long alarm - pressure switch open, open the machine back cover, you can see the pressure switch (bimetal) fixed on the insulation cover
