Ok open box , pull off one of the battery leads , pull off the transformer lead top right , short these pins and keep shorted and plug on the transformer lead the sounder will start wait 10secs now remove the short , enter 1234 it should stop ....if so press # put the battery lead back on close lid on panel ....program new code by pressing 1234 * 91 ....new code eg 5678 ....
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