If the overload is severe, the input circuit breaker may trip (the resettable center plunger of the circuit breaker pops out). The alarm stays on until the overload is removed.ĭisconnect nonessential load equipment from the UPS to eliminate the overload. When loads exceed the UPS's rated VA(volt-amp) or Watt capacity, the overload LED will illuminate and the UPS will emit a continuous tone.