System Sensor Premature Trouble Condition for CO Cell End-of-Life

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Technical Field Bulletin Issued 10 20 16 of issue Premature trouble condition for CO cell end of life of urgency Low numbers COSMO 2W and COSMO 4W date range dates April 2013 to July 2015 date codes 3041 to 5075 Sensor has identified an issue on the above model combination CO smoke detectors related to the cell end of life counter This issue does not affect the detector ability to detect a smoke or CO part of its regular function the COSMO detector updates the end of life counter for the CO cell It discovered for the above date code range that for each instance the COSMO detector powers up there a potential for the memory to have an undesirable change to the end of life counter Multiple power could potentially result in the expiration of the end of life counter and result in a CO trouble On the detector this is exhibited as a blue blinking LED and an intermittent chirp after 30 days this condition This issue was corrected on manufacturing date codes after 5075 that have been installed and are not exhibiting any trouble conditions need not be replaced that do exhibit the trouble condition will continue to operate normally and detect CO and smoke ensuring continued protection of the area by the detector If you are experiencing the conditions System Sensor will honor its warranty policy and is recommending that products exhibiting the condition be replaced and returned through normal channels contact our Customer Service Department at the number below if you have any questions this bulletin Our goal is to handle this issue as efficiently as possible and we apologize for any this may have caused label label Code Service 1 800 SENSOR2 736 7672 Code Ohio Avenue St Charles IL 60174 Phone 800 736 7672 Fax 630 377 6583 www systemsensor com

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