Alarm Explana tion
Input Switch Open Input switch is open
Maint. Switch Open Maintenance bypass switch is open
Maint. Switch Closed Maintenance bypass switch is closed
Bypass Switch Open Bypass switch is open
Output Switch Open Output switch is open
Charger Fault Battery charger has failure
Discharger Curr. Limit Discharge current is over limit, close the discharger
Autostart After UPS shutdown at EOD, the inverter automatically starts upon mains restoration
Batt. Equalize Charge The battery is forced to be in boost charge state
Rectifier DSP Update Rectifier DSP software being updated
Rectifier FPGA Update Rectifier FPGA software being updated
Inverter DSP Update Inverter DSP software being updated
Inverter FPGA Update Inverter FPGA software being updated
Bypass DSP Update Bypass DSP software being updated
Bypass FPGA Update Bypass FPGA software being updated
Monitor Update Monitoring software being updated
Flash Operate Fail Historical record not saved
Remote Turn On Turn on the inverter through the service command
Remote Turn On Fail Caused by invalid operation (maintenance bypass switch closed), DC bus or rectifier not ready
Remote Turn Off Turn off the inverter through the service command
No Battery Check the battery and battery connection
Discharger Fault Bus voltage abnormal
Battery Reversed Reconnect battery and check battery wiring
Battery Period Testing The battery is under automatic periodic battery maintenance test (20% capacity discharge)
Batt. Capacity Testing The user initiated a battery capacity test (100% capacity discharge)
Batt. Maint. Testing The user initiated a maintenance test (20% capacity discharge)
Batt. End of Discharge Inverter turned off due to battery EOD
Battery Overtemp. The battery temperature is over limit
Low Battery Warning
Before the EOD, battery low pre-warning will occur. After this pre-warning, the battery will have the capacity
for 3min discharging with full load. The time is user-settable from 3min to 6min
On Generator Dry contact signal, indicating generator connected
Battery Maintain Capacity of the battery
Battery Ground Fault Battery has ground fault
Batt. Room Temp. Abn. Battery room has overtemperature (option included)
Table 5.4 Norm al status m essages (continued )
5 Operator Control and Display Panel
101
Vertiv™ Liebert® EXM2 UPS User Manual
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