breff Posted June 2, 2005 Share Posted June 2, 2005 The bell must be losing 12v positive or have an internal fault, if it were going into tamper or losing 0v the panel should register a bell tamper, if its losing 12v it will just ring on its internal battery. After reading the post immediately above I would say faulty bell. connect the cabling back up and take your measurements at the bell itself. 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 Posted June 2, 2005 Share Posted June 2, 2005 Fantastic feedback from this community! Thanks to Dave for the drawing which helped to give me an idea of whats involved. (all following measurements when alarm is unset,wrt 0v, no indication on alm panel that a fault exists) I measured the bell voltage when the bell is sounding and it changed to +6.5v from +6.0. This is between 0v and bell connection. I decided to remove the bell wire to see if the bell still went into alarm mode and it did. STR still measured +13v. TR remained at 0v. The end of the bell wire still measured +6v, though it could not have been this which trigger the alarm. It is looking like a fault in the bell box.What is SAB an abbreviation for? (strobe and bell?) Does -ve in the drawing refer to 0v? many thanks 55632[/snapback] Re-read my post you should take the measurement from the ext sounder connection AND +12V Connection Sab means self actuating bell - meaning it has the module with a backup battery connected to it - inside the bellbox Link to comment Share on other sites More sharing options...
Guest tommo Posted June 8, 2005 Share Posted June 8, 2005 I have taken a look at the external bell box and found that the internal battery has blown itself to pieces! I need to replace the box and could do with some suggestions on where to source a replacement. There are side and back tamper ccts, strobe and siren, internal battery ad 12v supply. Are these units of a standard configuration, so any manufacturer will do as a replacement? Link to comment Share on other sites More sharing options...
FASTCAR Posted June 8, 2005 Share Posted June 8, 2005 Texecom Odyssey , comes in 4 flavours. texecom Available at electrical wholesalers , or online if you look . Link to comment Share on other sites More sharing options...
Guest tommo Posted June 22, 2005 Share Posted June 22, 2005 Thanks for all your our help on this fault. After changing the bellbox all my troubles are over. Link to comment Share on other sites More sharing options...
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