Dell H967N User Manual

Also see for 2700W: User guide Getting started

Contents

69Troubleshooting |Table 16. Typical Alarms and Conditions (continued)Alarm or Condition ActionPossible CauseShutdown Imminent(Alarm 55)Continuous AlarmCommunication to externaldevices stops because the UPShas entered a state where it mayabruptly stop operating withoutfurther notice unless utilityreturns.The alarm is issued when the battery timeremaining reaches zero. All connected devicesshould have already shut down gracefully.Battery Test Failed(Alarm 191)Intermittent AlarmA weak battery string wasdetected during the last batterytest.This is a warning notice. Dell recommendsthat you replace the batteries soon.Service Battery(Alarm 149)Continuous AlarmA faulted battery string hasbeen detected and as a result,the charger is disabled.Contact your service representative.Utility Not Present(Alarm 59)Intermittent AlarmUtility level has fallen below theUtility Not Present threshold(typically <25 to 50V).Transfer to battery if supporting load. Powerdown if not supporting load.Bypass Not Available(Alarm 105)Utility is outside of the bypasslimits defined in the UPS.Check the bypass settings. See “Settings” onpage 41.Input AC Over Voltage(Alarm 6)Intermittent AlarmUtility voltage exceeds themaximum operating range.The UPS transfers to Battery mode ifsupporting load.Input AC Under Voltage(Alarm 7)Intermittent AlarmUtility voltage is below theminimum operating range.The UPS transfers to Battery mode ifsupporting load.Input Under/Over Frequency(Alarm 8)Intermittent AlarmThe utility frequency is out ofusable frequency range.The UPS transfers to Battery mode ifsupporting load.Site Wiring Problem(Alarm 194)Continuous AlarmAn alarm triggers when thedifference between ground andneutral voltage is >15V.Have a qualified electrician correct the wiringproblem. If the UPS is not wired with a neutralwire, Site Fault should be disabled in theSettings menu (see page 41).Remote Emergency PowerOff(Alarm 12)Continuous AlarmThe external contacts in therear of the UPS are configuredfor REPO operation and theyhave been activated.The UPS de-energizes the load and entersStandby mode. See “Installing RemoteEmergency Power-off” on page 27 for moreinformation.

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