crwdns2934241:0crwdne2934241:0 Dan

crwdns2934249:0crwdne2934249:0:

Carefully use a puff of can’ed air into the lens area underneath to blowout any dust which is now blocking the view of the detector. Sometimes the debris is within the light tube for the detector which is not easy to get to or you knocked the detector loose.

crwdns2915684:0crwdne2915684:0:

open