I have a 1 month old ASI533MM-Pro. I've been using it in conditions where the ambient temperature is about 72F (22C), but it will only cool to 3C. It says it is at 100%, but that's all the lower it will get. I hooked it up to my laboratory power supply at work, which supplies exactly 12V, and it is drawing 2.2 amps at 100%. Product literature says it will drop a 30C sensor to -5C. Why can't I get mine below 0?
