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Posted

Al-yeti,

I'll get some photos of the circuit boards and terminals as soon as. I know there has been water ingress on the bell box that I don't think activated as I've drilled some drain holes in the outer casing. However, it never reached the pcb only the status LED and corroded the legs, but it still functions.

 

James,

Yes, I want to do a full replication/full test as soon as, only one problem - the piezos.

Is there a way to muffle them? I've tried stuffing cotton wool into the cones and taping over holes but it has little effect on the sound level. 

Is it feasible to attach LEDs in their place to act as activation indicators?

 

Tom. 

Posted
34 minutes ago, Tommygunn said:

Al-yeti,

I'll get some photos of the circuit boards and terminals as soon as. I know there has been water ingress on the bell box that I don't think activated as I've drilled some drain holes in the outer casing. However, it never reached the pcb only the status LED and corroded the legs, but it still functions.

 

James,

Yes, I want to do a full replication/full test as soon as, only one problem - the piezos.

Is there a way to muffle them? I've tried stuffing cotton wool into the cones and taping over holes but it has little effect on the sound level. 

Is it feasible to attach LEDs in their place to act as activation indicators?

 

Tom. 

How do you know it didn't dry off on the PCB , was enough to short it , I have seen it on these bells before because of how cable is taken in and where rain has hit got behind it 

 

Maybe yours survived but symptoms were similar and you confirm now water got in

 

 

PS if it's quiet you could disconnect them, make terminal on them, and you will here oscillation when activated 

Posted

I've had a about three Honeywell bells randomly chirp then go off for no apparent reason in the past (usually when just out of warranty) - everything checked out ok with the rest of the alarm when tested

(No sign of any water ingress either)

Swapped them out for texecom bells & not had any issues since from those systems..

Posted
1 hour ago, aissecur said:

I've had a about three Honeywell bells randomly chirp then go off for no apparent reason in the past (usually when just out of warranty) - everything checked out ok with the rest of the alarm when tested

(No sign of any water ingress either)

Swapped them out for texecom bells & not had any issues since from those systems..

Water ingress dodgy fitting or other

Posted

Gents,

Thanks for the input so far. I'll have to back to this at the weekend as things are a little busy at the mo to go scrambling around on the roof and what not.

 

Cheers,

Tom.

Posted (edited)

Ok, I've taken some photos and done some tests and below is what I've observed.

 

First, I conducted a manual test of the bell boxes, via the LCD keypad option, and both piezos sounded at the same time with the correct high/low siren.

 

I then did a full alarm activation and everything worked as it should except that the 'rear' bell box just gave out regular high pitched beeps while the 'front' bell box gave out the correct high/low siren signature. Also, of course, no strobes for either bell box.

 

I also replicated AC power loss but to no avail, none of the bell boxes sounded.

 

 

Front bell box:

Fully functioning piezo, non functioning strobe and no water damage.

 

P1150910%2040%20cut%20jpeg.jpg

 

P1150914%2035%20cut%20jpeg.jpg

 

 

 

Rear bell box:

Partially functioning piezo, not during full alarm, non functioning strobe and water damage.

 

P1150905%2035%20cut%20jpeg.jpg

 

P1150906%2060%20cut%20jpeg.jpg

 

P1150909%2040%20cut%20jpeg.jpg

 

P1150908%2040%20cut%20jpeg.jpg

 

 

Tom.

 

 

Edited by Tommygunn
Posted (edited)

Bottom two pictures definately have issues with water damage. Bin.

 

Personally I would buy quality sirens like Texecom. Elmdene etc... where the electronics are enclosed.

Edited by datadiffusion

So, I've decided to take my work back underground.... to stop it falling into the wrong hands

 

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