I have had my ninjas about 6 yrs, they will not always work...they seem to stick. Is there something I can do to service them? Need oiled, taken apart and cleaned? What needs to be done so they will no longer stick? I just installed a new mount and it is stuck, will not go up...looking for answers. I really haven't been happy with this system from the get go. Can't access from remote computer like I should even after following all the help from support. But I would a least like the ninjas to operate properly, it isn't a computer problem, it is mechanical...Doc