Yale HSA 6200 siren/beep got very quiet

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I've noticed that both the siren and beep on my Yale wireless 6200 have gone very quiet, I've fitted new Duracell batteries to no avail. It seeems the noise is made by a circular plastic pot screwed into a vented tube. The open end of the pot is closed by a metal plate which appears to be attached internally by a spring. Is this the siren and beeper, and if so should the metal plate be loose. or should it by glued round the edge to the containing pot? If this is the prbolem, would supergluing it make a difference? If not, can one buy a replacement, rather than changing the whole siren box?
 
Im struggling to recognise your description of the sounder.
The sounder is fed by a red and black wire and is a round black plastic cylinder about 3-4 cms diameter and about 4cms deep. This CLIPS into the backplate with the sound eminating directly out of the back of the siren through a grill on the backplate.
I have never dissasembled one so have no idea of any metal plate or spring thereon.??
 
Sounds like a Piezo siren, the round plate is a gold colour? If so they use the springs as connections, allowing the plate to move and vibrate when sounding.
 
When did you first notice that the siren has gone quiet, was this an immediate action, as in loud one minute - quiet the next. Or has the siren deteriorated over a period of time ?
 
mdf , yes, but the part I'm talking about is a couple of cm deep, and is fastened into the tube by 4 screws.

Alarm man, it's more a cadmium plated colour, but I think you are right. The question is, should it be glued round the circumference to sound loudly.

chaindaisy, probably over a period, but not from one day to the next, which is why I thought it might be something becoming progressively unglued.
 
Hi,

Regarding your reply to mdf, I doubt if this is a sounder of any description, but I could be wrong. Tell me why you think this is a sounder, then we can take it a step further. Regarding your reply to Alarm man, you appear to be describing a piezzo sounder disc. If you can see traces of old glue or similar around the circumference of the body, then there is a probability that it should be glued, but that's just speculation on my part. However, the fact that it should be glued or not glued should make no difference to the actual output of a piezzo, so that may not be the problem. I'll have a look at your earlier posts, can't see them while I'm writing. I am not sure if this site allows photos to be posted, if it does then perhaps you could take a quick pic and upload it.
 
Hi, it's me again.

I've had a glance at the 6300, they may not be the same, but on that model the tamper switch has a sort of plunger attached. Are you looking at that ? Another thing worth doing at this point :- Set the system and activate the alarm, as if you were an intruder, and check the sound level in full alarm condition, it's worth a try.
 
Hi, no, I'm quite familiar with the tamper switch, this is the unit which is about 6 cm (from memory) in diameter, and vents through holes in the back plate. It is both the lock/unlock bleep, and the full bodied alarm noise that have gone quiet.
 
If the control panel indicator 'beep' reduced in volume at the same time as the external sounder volume, it might be feasible to suggest a fault at the control panel rather than at the sounder
 
No on the 6200 thecontrol panel is a wireless hand held device that fits in a holster, and makes no noise. Both the ulock/lock peep and the loud alarm come from the wall mounted round wirelss alrm box.
 
Thanks John, the info is appreciated. Any ideas on the fault yet, are you getting nearer ?
 
Hi John, it's me again. How old is the system, I mean how long has the siren been up there, it could have some condensation damage,
 
It's 3 years old, and is in a very dry environment ( not Uk ). Yale have now confirmed the actual siren is defective and are replacing it.
 
Well, you've got a result. Good on you. I've only just glanced at your location. I have a few installer friends in Spain. What part are you ? I was going to explain how a external warning device can suffer from condensation, and believe it or not, it applies to your environment as much, if not more so than my own. I shall leave that for now. Well done on resolving the problem.
 
Thanks, I'm in the driest part of the Canary Islnds ,where it is 29C outside as I type, with low humidity. We have had about 1/4 inch of rain in the last 18 months. Believe, me, condensation is not a problem! Added to which, I used to be an avionics engineer, so I understand the effects of condensation.
 

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