Dealing With a Pitted Contactor in Your AC Unit
You might not know it yet, but a contactor pitted by years of electrical arcs is often the secret culprit behind an AC unit that's acting up. It usually happens right when you need the cooling most, like during a heatwave when the system is cycling on and off every fifteen minutes. You go outside, hear a weird buzzing or clicking sound, and wonder if your expensive compressor is about to give up the ghost. Most of the time, it's just this relatively cheap electrical switch that's seen better days. ...