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Keypad reads siren trouble

I was working on a Concord Ultra that was installed by another company that we took over.The siren and 8ohm speaker were rewired m and now they work but I am still getting a siren trouble on the key pad. I have tried everything I can think of but being someone who has not worked with this product much I am not sure where to look next. What should I be reading at both the siren and
speaker outputs when Idle and in alarm?If you could help me I would be greatful.Patrick J Lynch

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Piezo siren connections to
terminal 10 require a 2k
resistor that can be located
at the panel, across term 4 and 10

Posted on Mar 08, 2010

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Is their an on board fuse on the control panel. Also what you could do to troubleshoot is disconnect the siren red wire ad touch it to a 12vdc terminal on the panel. Make sure you are not touching it to a 120ac terminal. Are you talking the keypad makes no noice or the siren does not work?

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The systems is working fine and no indications or warnings on the panels, but you can hear the siren at a low sound at all times. All the zones are working according to the panel and alarm monitoring...

The siren should not receive any power when in idle mode (non alarmed state). If you hear any noise, it receives some kind of low voltage. Is it powered straight from the panel or with external power supply and aux. relay? In any way - use a volt meter and measure across the sirens power terminals. If you have any voltage present check the source.

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hook up red and black wires. Red wires to HW1&2 DC Out Terminal. 1 Black wire to HW1 and 1 Black wire to HW2. Resistor 47 Ohm resistor not needed unless siren supervision is turned on as an option. If needed , should go at the speaker, across red and black wires.

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My alarm started going off by its self. I went to shut it off but both key pads where dead and it would not stop. I disconnected the siren to stop, if I reconnect the siren it will continue to go off. The...

I really wouldn't be too concerned about it happening again. I've been in the security business for over 30 years and while I see systems "glitching up" such as yours, it is rare that this happens. However, if it happens again, I would get someone to take a look at it. Sometimes glitches are caused by not grounding the control panel properly. I have found over the years many security system installers fail to or don't take the time to ground their systems. So, if this happens again have someone who knows what they are doing come out and take a look at it.

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I have a 6 Zone keypad and the Trouble button is always lit up. And now it beeps every 10 secs. how do i return it to the "Ready" state?

Usually this is caused by a bad sensor. Often these are in remote places like tamper switches in outside sirens and othe devices.

the tamper is detected when the loop to a sensor fails to have the correct resistance when scanned by the system.

Analyze what loop is sending the trouble signal.

Or you can disable each loop until the trouble disappears in most systems to find which has failed.

Also check condition of the back up battery.

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You either have a blown fuse for the siren output or the siren's voice coil is blown. If you are able to open the control panel (they are normally locked) check for fuses on the motherboard (main circuit board) and have them checked. If you have a continuity or meter that measures resistance remove each fuse, check and replace as needed. If the siren's voice coil is blown you will need to replace it with a new one. Some systems use a speaker and some use a siren. Both are different and you will need to determine this first before relpacing.

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