Znalazłem coś takiego "This is a problem on EVERY E camera since the original E-1 common with user error if you hold in the lens RELEASE button when attaching a lens, you can turn it PAST the locking point at which point there will be no autofocus or aperture indicated on the camera, it would be shown as "---". The fix to this is to rotate the lens back in the other direction until it locks and communication is engaged.
The main solution is NOT to hold down the lens release button when attaching the lens...it's called RELEASE because it's only to be used to release the lens once it has been locked."
Nie wiem czy to pomoże, ale.
Pozdrawiam