Born Ann-Margaret Olsson in Stockholm, Sweden on April 28, 1941, the redhead who would one day be known simply as Ann-Margret spent the first five years of her life in her native country before her electrician father was offered a job in stateside.
The one exception is if it you only hear your carbon monoxide detector beeping every minute or two, which could be a low-battery warning signal. In those cases, you should immediately replace the battery, and if there is no battery present, you should call emergency services just to be safe and exit your residence.
The gas sensors in CO alarms have a limited and indeterminable life span, typically two to five years. The test button on a CO alarm only tests the battery and circuitry, not the sensor. CO alarms should be tested with an external source of calibrated test gas, as recommended by the latest version of NFPA 720.arbon Monoxide detector connected to a North American power outlet. A carbon monoxide detector or CO detector is a device that detects the presence of the carbon monoxide (CO) gas in order to prevent carbon monoxide poisoning.