AEG protect d. 1000 Operating Instructions Manual

61ENAlarm Possible cause Remark / ActionInput AC UnderVoltage(Alarm #7)Intermittent AlarmThe utility powervoltage is below theminimum operatingrange.The uninterruptiblepower supplytransfers to Batterymode if supportingload.Input Under/OverFrequency(Alarm #8)Intermittent AlarmThe utility powerfrequency is out ofusable frequencyrange.The UPS transfers toBattery mode ifsupporting load.Site Wiring Fault(Alarm #194)Intermittent AlarmAn alarm triggerswhen the differencebetween the groundand neutral voltage>15 V.Have a qualifiedelectrician correct thewiring problem. If theuninterruptible powersupply is not wiredwith a neutral wire,change theSite Fault to “disabled”in the Settings menu.Remote EmergencyPower Off(Alarm #12)Intermittent AlarmThe external contactsin the rear of theuninterruptible powersupply are configuredfor remote emergencypower-off operationand they areactivated.The UPS deenergizesthe load and entersStandby mode. Formore information, see“EPO (EmergencyPower Off)” inChapter 8.4 on pg. 57.Output Overload(Alarm #25)Intermittent AlarmThe load level is ator has exceeded theconfigurable thresholdlimit for a Overloadcondition.The UPS can supportthe load indefinitely atthis load level.The alarm clears whenthe load drops below5% of the set point.Battery DC OverVoltage(Alarm #68)Intermittent AlarmThe battery voltagelevel has exceededthe maximumallowable limits.The uninterruptiblepower supply turns offthe charger until thenext power recycle.Contact your servicerepresentative.