Liebert Nx 30 Kva User Manual
- Liebert 300 Kva Ups
- Liebert Nx 60 Kva Ups User Manual
- Liebert Nx Ups 10 30kva
- Liebert Nx 30 Kva Manual
- Liebert Nx Manual
Safety Precaution. This manual contains information concerning the installation and operation of single UPS module and parallel system of the Emerson NXC 30kVA and 40kVA UPS. Liebert® NX™ UPS Operation and Maintenance Manual — 225-600kVA, Three-Phase, Single-Module & Multi-Module.
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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
Liebert 300 Kva Ups
UPS in Inverter Mode
UPS Shutdown
UPS Shutdown, output power-down
Output Disabled
Liebert Nx 60 Kva Ups User Manual
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
Liebert Nx Ups 10 30kva
Output Disconnect Closed Output Disconnect Closed
Table 44
UPS status messages (continued)
Event Message
Description / Suggested Action (if any)