Possible cause: Output Short circuit on battery mode.
1)Turn the Back-UPS off.
2)Disconnect non-essential equipment from the Battery Backup outlets and then turn Back-UPS on
3) Connect the load one by one to identify the faulty load
4) Remove the faulty load from unit and start using
If problem still persist contact APC by Schneider Electric customer care
1)Turn the Back-UPS off.
2)Disconnect non-essential equipment from the Battery Backup outlets and then turn Back-UPS on
3) Connect the load one by one to identify the faulty load
4) Remove the faulty load from unit and start using
If problem still persist contact APC by Schneider Electric customer care