If your air conditioner's breaker trips, the first thing you should do is locate the circuit breaker box and find the circuit breaker that controls the air conditioner. Once you have found the circuit breaker, switch it off and then switch it back on again. This should reset the circuit and restore power to the air conditioner. If the breaker trips again after you have reset it, it may be a sign of a more serious problem with your air conditioner, and you may need to call a professional for help. It is also a good idea to check your air filter and make sure it is clean, as a dirty air filter can cause the air conditioner to strain and trip the breaker.