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Bell Box Problem When Heavy Frost


chrishewer

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Posted

Hi,

Anyone able to give me some advice?

During the early hours when there was a heavy frost one of my two bell boxes (Tate) of my intruder alarm (Melcom) started intermittently sounding for short bursts (few secs max) in no regular pattern. It went on for a few hours and now it has stopped - ?starting to warm up?.

I tried putting the alarm on engineer setting, however despite this it continued to sound.

I assume that it must be a local fault in the bell box which hasn't triggered the tamper loop. What is the likely problem in your experience?

Thanks

Chris

Guest anguscanplay
Posted

tate ? sounds like Risco made to me possibly

you`ll need to fit a link (details are in the instruction sheet)

if not there just old and got water damaged and will need changing IMO

Posted

Points to a intermittent positive feed at the sounders PCB board, looks like the laddders are coming out!

Posted

sounds like lid tamper opening and closing

maybe due to cold warping lid or metal spring on tamper

activating sab

did panel show a tamper

Posted
Hi,

Anyone able to give me some advice?

During the early hours when there was a heavy frost one of my two bell boxes (Tate) of my intruder alarm (Melcom) started intermittently sounding for short bursts (few secs max) in no regular pattern. It went on for a few hours and now it has stopped - ?starting to warm up?.

I tried putting the alarm on engineer setting, however despite this it continued to sound.

I assume that it must be a local fault in the bell box which hasn't triggered the tamper loop. What is the likely problem in your experience?

Thanks

Chris

get a tin of pcb laquer )spray) and coat the pcb's, bought from rs components or maplins.

regs

alan

If you think education is difficult, try being stupid!!!!

Posted
tate ? sounds like Risco made to me possibly

you`ll need to fit a link (details are in the instruction sheet)

if not there just old and got water damaged and will need changing IMO

as above, risco sounders had a fault a while back. if it drops below -6 the sounder will chirp.

Guest anguscanplay
Posted
as above, risco sounders had a fault a while back. if it drops below -6 the sounder will chirp.

had the very problem this morning

Guest anguscanplay
Posted
i had loads, was a real PITA that one.

and it was minus 4 degrees too when I set off (and dark)

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