Guest johnmiller Posted March 4, 2005 Share Posted March 4, 2005 Hi guys, I have a Scantronic 9851 which has two hard wired expanders on it. The alarm has gone off twice now over period of several months claiming a lid tamper on one of the expanders. The expander checks out fine and the wiring looks ok. The cable runs is approx 50m (outbuilding) though. I seem to remember a (firmware) problem causing the radio expanders to "disappear" but not the hard wired ones. Any ideas anyone? John Link to comment https://www.thesecurityinstaller.co.uk/community/topic/5272-intermittent-expander-lid-tamper-fault/ Share on other sites More sharing options...
Guest johnmiller Posted March 6, 2005 Share Posted March 6, 2005 Is it remote from the panel in a box? if so the box lid tamper may be causing the problem. 42462[/snapback] Yes, it is 50m from the panel in an outbuilding. John Link to comment https://www.thesecurityinstaller.co.uk/community/topic/5272-intermittent-expander-lid-tamper-fault/#findComment-42682 Share on other sites More sharing options...
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