You can test the magnet, first try rotating the button about 90 degrees, second you can remove the buttons by unscrewing the retainer, then trying the Confirm button in the menu hole.
As you can see from the picture below thier is only a spring below the button
Quote: (Originally Posted by
dodelineur)
Exact I have the "deluxe" o-ring kit.
I am kite sure it is a magnet problem or so.....
I am waiting Leon's reply to know his advice.