What are the basic troubleshooting steps for the Back-UPS XS model bx1300g / bx1500g?
... steps for the Back-UPS XS model bx1300g ... APC Back-UPS XS, ... The Back-UPS will not turn on ... The utility input voltage is out of range . Adjust the transfer voltage and sensitivity range . ... The utility input voltage is out of range , the frequency is out of range , or the waveform is distorted. Adjust the transfer voltage and sensitivity range . ... Determine which internal fault message is displayed by matching the number displayed on the LCD with the corresponding Fault Message (see System Faults) and contact APC Technical Support. System Faults: