Electronic Alarms and Home Security Devices - Trouble with alarm system-Periodic beeps

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dm2324
05-27-06, 08:41 PM
I have an ADEMCO VISTA-15(CN?) System with both hardwired and wireless zones. Two days ago, the keypad started to peep for no obvious reason. I can shut it off by using (code+OFF), but it will beep again after about 5 hours. The Troubleshooting Guide mentions three possible causes: (1) System is in the Test Mode, (2) A transmitter low battery has occurred and is displayed, and (3) A supervision Check has occurred. I don't think the Test Mode is involved. The keypad doesn't display any zone having a problem. (It did display AC and BAT in small font on the top-right hand side, not in the large font used for zone status, etc.) I already replaced all the batteries of the wireless transmitters, but the beep continues to come back. Anyone can help me with this annoying problem? Thanks.

MrRonFL
05-29-06, 03:43 PM
If it's showing bat without a zone indication, then it's the main system battery that needs replacement.