APC Back-UPS All LEDs Flashing: Internal Fault Meaning
On APC Back-UPS guidance, all LEDs flashing simultaneously signifies an internal UPS fault.
Back-UPS LEDsMultiple LEDsAll LEDs flashing simultaneously
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On APC Back-UPS guidance, all LEDs flashing simultaneously signifies an internal UPS fault.
On APC Back-UPS guidance, a flashing green On Line LED with a solid yellow On Battery LED means the UPS is performing a battery self-test.
On APC Back-UPS guidance, a solid red Overload LED means connected equipment is drawing more power than the UPS can provide.
On APC Back-UPS guidance, a solid red Replace Battery LED means the automatic diagnostic test determined the battery is near the end of its useful life.
On APC Back-UPS guidance, a solid yellow On Battery LED means the UPS is operating on battery power.
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