model # kn-cosm-ibca smoke and co alarm. It beeps only once a day ...usually 2-3 a.m.!!! I pull the battery and put back in and it seems to work fine for another 24 hrs. Any help please. it is not the
model # KN-cosm-iB THANK YOU. Sometimes when you press the test button, located on the front of the device, the alarm will reset itself. Try vacuuming it to dislodge any dust or insects. If it is more
...model kn-cosm-b then is actually has 3 AA batteries inside ... the model kn-cob-lcb-a, while it runs on 120 volts, still has a 9 volt battery inside .. in fact most models have a battery backup so ...
Model # KN-COSM-18. beeps every 10-20 seconds even after I replace the 9V battery If the display shows "Err", push and hold the Peak Level button. Does the display change to "E09"? If so, then you ...
...model #KN-COSM-IBCA.....I have recently changed the batteries but it still continues to chirp everynow and then...Does the model have an expiry date?.... If the display shows "Err", push and hold the ...
...model#kn-cosm-b. We started getting a chirp every 30 sec. I changed the battery hit the test button and it said warning fire fire then stopped then the chirps started 30 secs. I have the exact model ...
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