Hi all, Have a lab 50 pair, which are wonderful, but recently one of them won't 'lift' when powered up. The speaker is working fine, the avant reports no issues, ditto the app, but the motorised lift won't raise, I can remove the aluminium cap, and see it's lit, and the focus can be adjusted, but it seems 'jammed'. Dealer is popping out next week to look, but any suggestions, or anyone seen anything similar? TIA! Steve