Is the dog just a dog being a dog?? Using the same logic, when a Dem/Lib wants to pass Cap and Trade KNOWING it will cost jobs and will cause utility costs to Skyrocket!! As Obama admittedIsn't this just Dem/Libs being Dem/Libs???
Most smoke detectors have a tester button. If you press it and hold it for a second, it should go off. If it doesn't, it is defective or needs a new battery.
Have you made sure the ice box isn't overloading and getting jammed?