The answer to 'carbon monoxide detector circuit overload' is that a carbon monoxide (CO) detector circuit overload is usually caused by a problem with the detector itself or the electrical wiring connected to it. This can lead to the detector's circuit breaker tripping or the detector malfunctioning.
Common causes include a faulty CO sensor, a short circuit in the wiring, or the detector being overloaded with too many devices on the same circuit. Symptoms may include the detector not powering on, frequent circuit breaker tripping, or the detector giving false alarms. If you suspect a circuit overload, it's best to have a licensed electrician inspect the system to diagnose and resolve the issue.