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Moiser

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  1. Thanks for the responses, I have resolved two issues.... 1. Bell going off for no apparent reason. The bell box's are mounted on a garage wall made up of feather edge boarding and when I looked closely at the box that triggered the microswitch was quite loose so I suspect it was just a little movement in the boarding or warping over the years that triggered the alarm. To resolve this I have mounted the box and a piece of 1/2" ply so its on a flat surface and have adjusted the microswitch using the adjusting screw to ensure a positive closure. This will remove any possibility of the boarding disturbing the microswitch. 2. Tamper alarm not being seen by the control unit. This was a simple wiring error as both bell box's were wired in parallel so a tamper in one was not seen as the circuit was still intact via the other box. I have wired these in series and now the control panel alarms if either box is tampered with and the alarm can be reset via the control panel. I also did a visual inspection of all wiring for damage and did a meter check for continuity and voltage. Clearly the bell box tamper alarm was not checked at initial installation or subsequent services. Full walk test and sounder/bell/panel test and tamper test carried out and all is good. Many thanks for the clues and help, only time will tell if my analysis for the first fault is correct but at least I can silence the alarm when it does occur now. Will also look for a reliable alarm maintenance firm in the area, just in case!
  2. In response to the other questions, it was professionally installed and serviced for the first couple of years and then the company went bust. However when they did service it they only checked the log, dusted the PIR's did a walk and bell test and from memory whole thing took about 20mins!! They never went near the bell box's!!
  3. Thanks for the response. Attached is a picture I took just so I had a reference for the wiring does this help? If not I can get a better picture tomorrow.
  4. Hi All, I have a garage with a Cooper Scantronic 9651 unit and two Pyronix Deltabell box's mounted on each end of the garage along with two control panels. It is all hardwired and was installed 10-12 years ago and has worked perfectly until recently. One Tuesday afternoon one of the Deltabells went off i.e. Strobe and Bell, I tried to reset it via the control panel but the panel was showing no alarm of any sort and would not stop the bell sounding. Finally after 15mins the bell stopped but the strobe continued. The strobe continued until the following Saturday when it reverted back to alternating LED's. The next day Sunday the bell box went off again for another 15min spell and again no alarms or logs in the control unit. Both bell box's are wired in parallel so I am certain it is not being triggered by the control unit? Any ideas on the cause or other actions please? I have both a user code and engineers code for the system. At the moment I have disconnected the bell within the box but whilst in the box I could see nothing obviously wrong i.e. it was reasonably clean, dry and still firmly attached to the wall. The fault has not re-occurred as yet. I am planning to replace the bell box as a precaution unless anyone else has any other suggestions? Thanks in advance,
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