Maintenance Instruction
2. Fasten the two screws (2-a).
3-a. (Replacing main board):
By using the nipper pliers (put some fabric things on two ends to avoid any damage to the product), clip
the front pushbutton and pull out by turning upwards, then to the right to take out the front damper by
tweezers or just fingernail, see picture below:
3-b. (Replacing main board):
Take out the knob, and use cross-head screwdrivers to take out the two screws, as shown below:
3-c. (Replacing main board):
Pull out the upper cover, and take out the pushbutton, see below pictures:
Pull out the front pushbutton
To the right to take
out the front damper
Take out the pushbutton
Take out the two screws
To the right upper side
to take out the knob
To the right upper side to take out the upper cover
