div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=power-failure-alarm-provides-notification-when-the-mains-power-that-supplies-powerhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: · Power Failure Alarm provides notification when the mains power that supplies power to the unit has an abnormal power failure or the power cord is tripped off accidentally the loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentinreader033viewer20220414205e1e95c6e893f062336e616ahtml5thumbnails1jpg width=140 height=200 divdiv