This can be caused by a drained battery, faulty power connections, or an internal hardware fault. How to Fix It: Ensure the UPS is plugged into a functional power outlet. Test the outlet with another device to confirm. . In this blog post, I'm gonna share some tips on how to troubleshoot common problems with your household UPS battery storage. Whether you've got a Wall Mounted Battery For House, House Battery Storage Systems, or a 10kwh Solar Home Energy Storage System Battery Lithium LiFePO4, these troubleshooting. . When connected to the wall, my Back-UPS product will not power on. * There are many possible scenarios in which a Back-UPS product will not turn on, below are potential problems order by commonality. All APC Back-UPS branded product families. Uninterruptible Power Supply (UPS) offers continuous backup, and when combined with solar panels, they ensure uninterrupted energy solutions. However, solar energy often faces. .