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Strange beeping !!!


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10 minutes ago, PeterJames said:

Caps would have to be pretty big in order to hold enough charge to make any sort of audible beep. Even the biggest caps would discharge pretty quickly after a powerdown. You may be charging a battery operated smoke from the same spur, or maybe a 12vdc smoke with its own battery backup somewhere.

With the panel open and my ear about 12 inches away I can categorically say it is the alarm. Tried it now on just battery, just power, both and it continues.

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Ok, I'm officially beaten. Removed power and there was enough residual juice in the caps to chirp twice, 45 seconds apart. Tried disconnecting the bell, no difference. So unless somebody has any ideas of what it might be, I've just disconnected the speaker until I can replace the whole unit. My mother can at least sleep in peace now.

 

P.S. It wasn't the smoke alarm.

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3 hours ago, NC3D said:

So unless somebody has any ideas of what it might be,

 

anyone got the no. for derek acorah ?

 

I know he;s dead but that should not be a problem....

Edited by MrHappy
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Mr😀 Veritas God

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55 minutes ago, sixwheeledbeast said:

We are still talking about a Scantronic 9800 here tho, aren't we...?

 

probably a kidde carbon monoxide detector ?

Mr😀 Veritas God

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4 hours ago, sixwheeledbeast said:

We are still talking about a Scantronic 9800 here tho, aren't we...?

not anymore its something else. No 9800 keeps sounding with no power. But its 25 ish yr old so its more likely to be the old alarm vs the past it 10 yr old smoke/co2 etc detector

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10 hours ago, james.wilson said:

No 9800 keeps sounding with no power.

 

Don't forget the Mitcheldean witch trials-

 

Any strange bleep from a powered down alarm, needs the services of an exorcist..

 

I used to be medium, but as I got fatter my shirts are now all large.

Mr😀 Veritas God

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On 18/06/2021 at 19:47, MrHappy said:

 

anyone got the no. for derek acorah ?

 

I know he;s dead but that should not be a problem....

Derek pakora, he was a rice guy 

Edited by aissecur
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  • 4 months later...

from what a remember, scanny 9800 doesn't have an onboard buzzer..... i get this all the time... best thing is to shut all doors in house, walk around to see where noise loudest...due to frequency of beeps, it can throw its location around a bit... could be something in cupboard with scanny panel...but if you downpower the panel and leave it a while, and you still get chirrping, it definately is not the panel..

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