Recent content by tonyco

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    How do I uninstall a Yale HSA6400 domestic alarm system

    Thanks, when I'm ready to uninstall the alram system, I will first disconnect the external siren batteries following the recommended procedure. I then will select the option to disable the control unit siren, probably then disconnect the mains supply and allow ample time for the CU internal...
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    How do I uninstall a Yale HSA6400 domestic alarm system

    Thanks JohnD. I understand about the siren. However, I am a bit concerned about the control panel decoupling it from the wall. Not sure how to disable the tampering mechanism on it, if there is one. There is an option to disable the control unit siren. I just wanted to know if anyone has done...
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    How do I uninstall a Yale HSA6400 domestic alarm system

    Thanks secuireiam for your response. I understand your point with respect to the siren unit that it will not alarm if the battery/power is removed. However the control panel unit has an inbuilt battery. What I am concerned, if trying to prise the control panel off the wall this will trigger the...
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    How do I uninstall a Yale HSA6400 domestic alarm system

    I had installed the Yale 6400 system at my property about 6/7 years ago. I now wish to remove it entirely without the Siren alarm or the control panel alarm triggering. In the interim period before I get a new system, I would like to leave the Siren unit on the external wall minus the batteries...
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    Problem disarming Yale 6400 alarm. Please Help

    Thanks very much for the advice. Next time it happens, I will try the first option. As per my earlier message, I had tried the second option, but each time I presse a key it would alternate between the messages "Alarm actiivated by DC...." and "System reached ...". Maybe by pressing the PR...
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    Problem disarming Yale 6400 alarm. Please Help

    I installed the Yale 6400 alarm only a fortnight ago. Yesterday my daughter triggered the alarm on entry and couldn't switch off the alarm. The alarm duration was set for the default of 3 minutes. She claims she may have made a mistake the first time she entered the disarm code. When the alarm...
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