2P/2P 6~10KVA Online UPS User Manual - Voltron

4. Trouble ShootingIf the UPS system does not operate correctly, please solve the problem by using the table below.Symptom Possible cause RemedyNo indication and alarm in the frontdisplay panel even though the mains isnormal.The iconand the warning codeflash on LCD display and alarmbeeps every second.The icon and flash onLCD display and alarm beeps everysecond.The icon and flash onLCD display and alarm beeps twiceevery second.Fault code is shown as 43. The iconlights on LCD display andalarm beeps continuously.Fault code is shown as 14, 15, or 17.The iconlights on LCDdisplay, and alarm beeps continuously.Other fault codes are shown on LCDdisplay and alarm beeps continuously.Battery backup time is shorter thannominal valueThe icon and flash on LCDdisplay and alarm beeps every second.The AC input power is notconnected well.EPO function is enabled andEPO switch is in “OFF” status,or the jumper is open.The external or internalbattery is incorrectlyconnected.UPS is overload.UPS is overloaded. Devicesconnected to the UPS are feddirectly by the electricalnetwork via the Bypass.After repetitive overloads, theUPS is locked in the Bypassmode. Connected devices arefed directly by the mains.UPS is overload too long andbecomes fault. Then UPS shutdown automatically.The UPS shut downautomatically because shortcircuit occurs on the UPSoutput.A UPS internal fault hasoccurred.Batteries are not fully chargedBatteries defectFan is locked or not working;or the UPS temperature is toohigh.Check if input cable firmlyconnected to the mains.Set the circuit in closedposition to disable EPOfunction.Check if all batteries areconnected well.Remove excess loads from UPSoutput.Remove excess loads from UPSoutput.Remove excess loads from UPSoutput first. Then shut downthe UPS and restart it.Remove excess loads from UPSoutput and restart it.Check output wiring and ifconnected devices are in shortcircuit status.Contact your dealerCharge the batteries for atleast 7 hours and then checkcapacity. If the problem stillpersists, consult your dealer.Contact your dealer to replacethe battery.Check fans and notify dealer.24