licaiwang Posted April 20, 2016 Author Share Posted April 20, 2016 I have measured the battery voltage, it only 8.5V. it much low than the rated 12V. What is the fuction of the battery? Only for back up when main power off? Quote Link to comment Share on other sites More sharing options...
al-yeti Posted April 20, 2016 Share Posted April 20, 2016 Yes for backup, what is displayed when error occurs? Quote Link to comment Share on other sites More sharing options...
licaiwang Posted April 20, 2016 Author Share Posted April 20, 2016 so if the battery voltage is low, is it possible to cause it off? Quote Link to comment Share on other sites More sharing options...
PeterJames Posted April 20, 2016 Share Posted April 20, 2016 If it has been like this for a while it may have damaged the charging circuit, what is the voltage on the leads without the battery connected Quote Link to comment Share on other sites More sharing options...
al-yeti Posted April 20, 2016 Share Posted April 20, 2016 55 minutes ago, licaiwang said: so if the battery voltage is low, is it possible to cause it off? No put new one in, they are cheap to an extent Quote Link to comment Share on other sites More sharing options...
secureiam Posted April 20, 2016 Share Posted April 20, 2016 probably the battery, but running it so low can damage the panel. just run without the battery connected and does it still false alarm? I suspect not. Then replace the battery and see what happens, if it messes up again then replace the panel. Â Â Quote Link to comment Share on other sites More sharing options...
licaiwang Posted June 6, 2016 Author Share Posted June 6, 2016 Hi, I have replaced the battery but after I try to use several times in the night and it give 2 false alarm. After I stop the sound by tap pin number and the day light is off. I try to reset the system afterwards but never get it working again with day light off and can not hear the bip when i press the number key. Can someone give me a clue what is wrong?  thanks  Quote Link to comment Share on other sites More sharing options...
PeterJames Posted June 6, 2016 Share Posted June 6, 2016 From that description it could be many things my guess would be that the charging circuit did get damaged from the earlier problem, I would lay money that your new battery is not charging. check the voltage Quote Link to comment Share on other sites More sharing options...
licaiwang Posted June 6, 2016 Author Share Posted June 6, 2016 thanks. can you suggest a company to fix the problem? Quote Link to comment Share on other sites More sharing options...
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