quot;, and it is hard wired to 110 VAC with no battery. What should I do? Even though it is is hard-wired, it still has a 9 volt battery for back-up operation during power outtages. Unplug it, turn it
quot; every 30 seconds even though I replaced with new battery.Please explain what to do. thanks If the display shows "Lb", the battery is probably low; replace it. Make sure you are buying brand-name
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