Search results

Hi. After isolating power to the workshop, some ten minutes or so later the bell box goes off. With the mains still isolated, I checked the LCD display panel (Honeywell ADE Gen4) and found that it was fully functional, so still being powered by the main battery. This battery was replaced two...

Guys. No polarity issue with the siren, as I already pointed out. I carried out a few voltage checks at the terminals. Correct me if I'm wrong. Under normal conditions (no alarm), both bell and strobe are at 12V (relative to 0V). In alarm condition, bell and strobe should drop to 0V? but...

Thanks Andy. I agree, that would appear to be the norm. The 12V definately works as it's also powering the remote keypad. TR definately has to be linked to 0V otherwise it shows a tamper fault, so I guess the problem's with the negative return. The sirens works ok on a 12V supply, no polarity...

Hi all. I’ve recently installed a Scantronic 9448 in my workshop, and was wondering if I could just hook up a basic siren in place of the SAB? No clues in the manual. A single reference on-line indicated that this would work by first linking TR with 0V, then connecting the siren between 12V and...