Hello, I bought my wife a Citizen model CIT C806CDVR DVD Recorder / VCR last Christmas. The problem is it now wont close. You put a disc in and press close, the door closes but the message doesn’t change to loading. It remains displaying close and after a couple seconds it opens again. It started off intermittant but now is doing it constantly. Is there a sensor or proximity switch that needs to be adjusted. Any help would be appreciated.