Why might the LEDs on my Back-UPS or Smart-UPS SC be
BR/BX SKUs, SC420, SC620, SC250RM1U, SC450RM1U. Cause / Resolution: Green On Line LED: flashing Yellow On Battery LED: on solid. This indicates that the UPS is performing a Self-Test of the battery. If the Self-Test passes, the green On-Line LED will go on solid while the yellow On Battery LED will go off. If it fails the test, the