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APC ES500 annoying continuous beeping sound

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.


APC ES500 annoying continuous beeping sound

This was originally posted on APC forums on 10/7/2013

My APC ES500 with Serial #: 5B0834T26544 when i plug it then switch it on continuous single long beep sound occurs. i already replace new battery for it but same problem. i purchase it last july 2011.. please help what is the remedy of this. thanks and more power!