Independent technical reference
APC
4 published entries
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Equipment covered
Documented codes
UPS (uninterruptible power supply) 4
Site Wiring FaultAPC UPS Site Wiring Fault: building wiring alert messageHigh· Solar and energyConstant Solid ToneAPC UPS Constant Solid Tone: backup outlet overloadMedium· Solar and energyReplace Battery LEDAPC UPS Replace Battery LED: battery self-test failedMedium· Solar and energy4 Beeps Every 30 SecondsAPC UPS 4 Beeps Every 30 Seconds: running on batteryLow· Solar and energy