Have had a solution 880 a few years ,wont respond to what is said in manual. 8 is constantly in display panel can anyone, explain how to rid my panel of this .Alam goes off ramdomly,ie cant use alarm. Please help.
That means either that the alarm panel cover is removed or loose, or the external siren cover is loose, causing the pin-switches (or tamper switches) in them to go from closed to open, resulting in an open zone on the panel.
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