Your thermostat controls your air conditioner by telling it to turn on or turn off. So what happens when your air conditioner doesn’t turn off, even when your thermostat says the temperature you set earlier has been met?
Well, first thing’s first: you’re going to need AC repair services. There’s no doubt about that. But in the meantime, while you wait for them to show up, you should power down your AC to prevent further damage and not rack up your power bill.