Dealing With a Faulty 3100 15q242 contactor
If you're staring at your outdoor AC unit wondering why it won't kick on, there's a solid chance the 3100 15q242 contactor is the culprit behind the silence. It's one of those small, relatively inexpensive parts that does a massive job. You usually don't even think about it until the house starts getting stuffy and the thermostat is screaming for cold air that just isn't coming. It's frustrating, especially in the middle of a heatwave, but the good news is that these things are pretty straightforward once you understand how they work. ...