[QUOTE]Originally posted by psychometric
[B]Contactors are electrical relays. they become pitted during normal start and stop action. They are normal wear items in any unit. If the become pitted badly, they run the risk of "welding" themselves closed.
a contactor can cause a voltage drop if too pitted, which will cause the motors to overamp a cause premature damage.
I repair air conditioners to keep people cool when it's 110+ degrees outside.
I repair heaters so people don't freeze to death.
I shut down furnaces that are unsafe to operate.
Make fun of my profession, but dang it, I save lives.
We're awl pawthetic and kweepy and can't get giwrls. That's why we fight wobots.