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These screenshots are indeed from a pdf I have and they match my board. The BELL/LS connectors are positive and negative vdc and they are connected as per the diagram (at least based on the wire colour). DIP SW1 toggles between Bell (on) and LS (off) but on a voltmeter I haven't noticed any...

By the way - since the bell works (correctly - as in makes a loud noise when connected) - am I incorrectly thinking that the problem is with the board? Or do you think the bell should indeed be silent when there's 12VDC coming and only make a loud noise when there's 13.8VDC on the wire? Would be...

It's very difficult to reach but it's definitely wired. There's a normal alarm cable that goes (allegedly) towards the bell and the colours are: - red (positive pin 19) - blue and black together negative pin 20 - orange goes to a resistor that goes to pin 21 (tamper) - green goes to 24 - brown...

From what I gather it was "sort of" installed but not connected/setup (it was at factory defaults) so I was hoping it's either an incorrect dipswitch (unlikely as there aren't that many) or a software config that tells it to be idle at 12V and to go up to 13.8 when alarmed (for a special type of...

This is actually the problem I have - if I connect the bell it starts ringing - it never stops (since the board sends always 12VDC). So the bell works - as in - it's always on - which is far from a desirable behaviour :)

I've attached a photo of the main board. Unfortunately I don't have access to the bell box so I can only guess the wiring towards there. From what I understand, in the photo attached: Wires 1-4 go to the keypad (this I can confirm) 5/6 and 6/7 appear to be the data for the PIRs 8-16 - Not...

As you probably guest I'm not good with terminology - I thought (and the installer manual's picture suggest the same thing) a bell would be similar to a fire bell (https://www.securityhunt.com/images/bellalarm.jpg) - the one I have (similar to the previous picture I posted) makes a siren-like...

I'm not sure, it's one of these (standard?) ones - https://ae01.alicdn.com/kf/HTB1NWLcMXXXXXaSXpXXq6xXFXXXx/G90B-wifi-gsm-alarm-outdoor-strobe-siren-external-waterproof-flash-siren-with-tamper-switch-built-in.jpg But as I mentioned - I disconnected the loudspeaker from BELL/LS + - terminals and...

Hi, There's no model number on the board but it appears to be 432B(M)(1). At the installer manual, page 26 the main bus connection is described and matches exactly my board. I have a normal loudspeaker, the standard one with the blue strobe - this one works correctly when connected (although...

Hi, I inherited a Risco Ligthsys2 which was wired but disconnected. I connected everything, configured the sensors and almost everything works as expected. However, the Bell/LS connectors are always at ~12VDC when idle (disarmed). When I arm and generate an alarm, the voltage goes to ~13.8VDC...