Emerson Liebert NX 10-30kVA - Manual (Page 108)

UPS Status Messages
100
DC Bus Overvoltage
Rectifier, inverter and battery converter were shutdown because DC bus voltage is too high.
Check whether there is a fault in rectifier side. If no, then check whether overload occurs.
Restart the inverter after resetting the fault. If fault does not clear, contact Liebert Global Services
at 800-543-2378 for assistance.
Parallel Connect Fault
The parallel cables are not connected correctly in a parallel system.
1. Reset the fault by pressing the "fault clear" button, then restart the inverter by pressing the
"inverter on" button.
2. If the UPS does not resume normal operation, contact Liebert Global Services at
800-543-2378 for assistance.
Bypass Overcurrent
Bypass current is over limit above 135% rating. The UPS just alarms and does nothing. Refer to
your installation documentation or contact Liebert Global Services at 800-543-2378 for
assistance.
LBS Active
The LBS setting is active. The UPS is acting as an LBS master or slave in a dual bus
configuration.
Battery ground fault
Battery ground fault from dry contact signal. Contact Liebert Global Services at 800-543-2378 for
assistance.
Inverter turned On
manually
Manual Turn On via front panel
Inverter turned Off
manually
Manual Turn Off via front panel
EPO Emergency Power Off
Transfer Confirm Interrupted Transfer Confirm
Transfer Cancel Interrupted Transfer is cancel
Unit Off Confirm Unit Turned Off Confirm
System Off Confirm Parallel System Turned Off Confirm
Fault Reset Fault Rest
Alarm Silence Alarm Silence
Turn On Fail Turn On Fail
Alarm Reset Audible Alarm Reset
Bypass Mode UPS in Bypass Mode
Normal Mode UPS in Normal Mode
Battery Mode UPS in Battery Mode
Joint Mode UPS in Inverter Mode
UPS Shutdown UPS Shutdown, output power-down
Output Disabled UPS Output Disabled
Generator Connected Generator is connected and a signal is sent to UPS
Input Disconnect Open Input Disconnect Open
Input Disconnect Closed Input Disconnect Closed
Maint. Disconnect Open Maintenance Disconnect Open
Maint. Disconnect Closed Maintenance Disconnect Closed
Reserved
Rotary Sw. Test Pos.
Rotary switch is in test position.
Rotary Sw. Normal Pos. Rotary switch is in normal position.
Rotary Sw. Bypass Pos. Rotary switch is in bypass position.
Rotary Sw. Maint. Pos. Rotary switch is in maintenance position.
Bypass Disconnect Open Bypass Disconnect Open
Bypass Disconnect Closed Bypass Disconnect Closed
Output Disconnect Open
Output Disconnect Open
Output Disconnect Closed Output Disconnect Closed
Table 44 UPS status messages (continued)
Event Message Description / Suggested Action (if any)