Motor carbon brush change
Day couldn't be worse when week started with product scrappage.
Today main actor is this motor , which is situated on top of the machine , where you have to climb up to access it.
Closer look at the motor, you will have to loosen the nut screw to access to carbon brush area.
First before hand, definitely is to remove away the power cord.
Then at the external part of the motor, loosen the locking screw and move to get the carbon brush out.
While this carbon brush looks very small, it determine how the planetery motor spin. Too short then it will give alarm and fault out. Best to have periodical change out of this part, rather than waiting it to fail.