sd6446 Posted September 24, 2011 Share Posted September 24, 2011 Hi I installed a Eurosec CPX alarm system a few years ago and it has worked great since then. However, the alarm went off yesterday (because a door blew open in the wind), and when I switched the alarm off, there was an error on the RKP saying either battery or fuse fault - may be coincidence? When I opened the main box, I found the AUX fuse (1A) had blown. I've replaced it and it blows again straight away on powerup. Am I right in thinking that the power for the speaker, bell box and PIRs goes throught this fuse? In which case, I guess it's just a process of elimination? Any other tips would be gratefully received, Thanks Steve. Link to comment Share on other sites More sharing options...
sd6446 Posted September 24, 2011 Author Share Posted September 24, 2011 Further update - having disconnected the 12v feed to the bell box, the fuse no longer blows. Is there any way to definitively prove that it's the bell box at fault (as opposed to the main alarm unit), or is it a case of trying a new bell box? Link to comment Share on other sites More sharing options...
PeterJames Posted September 24, 2011 Share Posted September 24, 2011 It could be the bell or the cable, if you do not have a multi meter, disconect the cable at the bell reconnect it at the panel if it still blows the fuse the cables u/s if not its something wrong with the box or your wiring Link to comment Share on other sites More sharing options...
sd6446 Posted September 26, 2011 Author Share Posted September 26, 2011 Thanks for the response - good idea. I've checked each core to ensure no shorts, then checked continuity (by joining certain cores at one end), and the wiring looks ok. Therefore, I've ordered a new bell box... Link to comment Share on other sites More sharing options...
sd6446 Posted November 3, 2011 Author Share Posted November 3, 2011 Thanks for the response - good idea. I've checked each core to ensure no shorts, then checked continuity (by joining certain cores at one end), and the wiring looks ok. Therefore, I've ordered a new bell box... Just to let you know, the fault was with the old bellbox (Eurosec XS3D). Having replaced it with a new one, the fuse is no longer blowing. Link to comment Share on other sites More sharing options...
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