My kn-copp-3 started to chirp and say err on the screen. so I replaced the battery and still have the same problem. Could you explain how to solve please ?

Asked by tim on 12/01/2010 3  Answers

ManualsOnline posted an answer 13 years, 4 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here
2 need help,alarm keeps chirping even after new battery is installed
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2 How do I fix ERR on screen?
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