“A red indicator flashes in association with a chirp that differs from that heard during a power outage. What does this "double chirp" indicate?”
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Thank you for your recent inquiry. It sounds like the unit has reached a low battery condition. Please turn the unit off and give it some time to charge. It will perform a self test once turned back on. If it fails this test or you continue to hear this "chirp", please contact an APCbySchneider support team for further assistance.
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