Guest lucylastic Posted February 29, 2004 Share Posted February 29, 2004 It is a well known truism that any alarm fiited 40 miles from home is going to be the one with the,never heard of problem Customer phones up , hey great alarm , nice tidy job , well done , however when the postman rung the door bell the alarm went off (this is a wind up ) demonstration followed sure as hell it did got to the house , discovered patio door viper triggering with door bell ,it was a hard percussive bell , so changed to softer avon calling type still no joy ran a screened cable along the flor to the viper and tried again, that cured it so had to run it screened permanent now how many vipers and how many door bells have you in your books , has any one else ever come across this Link to comment Share on other sites More sharing options...
breff Posted February 29, 2004 Share Posted February 29, 2004 Never heard of that one but a dogs bark can set them off, something to do with resonance im told! The opinions I express are mine and are usually correct! (Except when I'm wrong)(which I'm not) Link to comment Share on other sites More sharing options...
Guest Adrian Posted February 29, 2004 Share Posted February 29, 2004 B) Would'nt a Ferrite clamp at both ends of the cable helped on this one. Adrian B) Link to comment Share on other sites More sharing options...
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