2019 Premium Concept Elite Service Manual
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3. Take down the data cable and Transparent buttons (8
buttons for Premium/Concept version, 9 buttons for Elite
version)
4
、
Remove 4 fixed screws from internal PCB
5、
Assemble the new power board into the control box
in reverse order. (Video available)
；
6
、
Make sure the data cable; 9 transparent silica gel
button in correct place
（
Premium/Concept series
without the red circled button
）
5
、
Install the upper cover, check all the buttons are flexible and free of any abnormality, and then tighten them
with screws from the back
。
4.9
, How to replace the O3 generator
1. Take out the control box
；
2
、
Loosen four screws (ST4*60) from the bottom of the
cabinet
