CrashnBurn posted an answer for this Danby 12,000 BTU 3-in-1 Portable Air Conditioner Dual Hose DPAC12030:
"The water/tank full light? Either the tank is full, or the bottom water catcher is full...."
CrashnBurn posted an answer for this Danby Portable Air Conditioner:
"do NOT mess withat the switch in the removable tank activated by float UNTIL you drain out..."