Garage door photo eyes or sensors (Safe-T-Beam) are an important safety device and they need to work properly. These safety reversing sensors (photo eyes) must be properly aligned and connected before the garage door opener will move in the down direction. If you are still having problems you may look to buy or create a sunshield. Garage door will not close when morning sun is shining on the west safety sensor. Archive Garage door opener, special part search. That was next on my list just shy of buying these shields. Can you cut and tape a piece of cardboard to the side of the sensors to prevent the sun light from hitting the sesnor eye?
41B873 Sun Shield for LiftMaster Safety Sensors- 41B873 Sun Shield for LiftMaster Safety Sensors Shields safety sensors from sun glare on photo eyes Prevents interference of safety sensors from direct sunlight Works on all LiftMaster, Chamberlain and.
41b873 Sun Shield For Liftmaster Safety Sensors