Guest Daisy Posted November 20, 2015 Report Share Posted November 20, 2015 Replaced heads of my two Ei141RC alarms because they are 10 years old. Green light is on but there is no red light flashing. They both sound the alarm when tested with mains on and with mains off. Should I be worried about the lack of flashing red light? Quote Link to comment Share on other sites More sharing options...
Safelincs Posted November 25, 2015 Report Share Posted November 25, 2015 Hi Daisy They probably are flashing every 40 seconds but it is a very quick flash (blink and you miss it). The fact it is testing and the green lights are on would suggest everything is fine though Harry Quote Link to comment Share on other sites More sharing options...
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