5�3� Checking Ups Operation; 5�4� Cleaning The Ups; 5�5� Firmware Updates - Vertiv Liebert GXT5 Series Installer/User Manual

5.3. Checking UPS Operation
NOTE: Operation-check procedures may interrupt power supply to the connected load.
We recommend checking the UPS operation once every 6 months� Ensure that output power loss to the connected
load will not cause data loss or other errors before conducting the check�
1� Press the Enter button to check the indicators and display function�
2� Check for alarm or fault indicators on the operation/display panel�
3� Make sure that there are no audible or silenced alarms� Select the Log, and look at the Current tab for alarm
and fault history, see Log Screen
4� Check the flow screen to ensure the UPS is operating in Normal mode� If the UPS is operating in Bypass mode,
contact Vertiv Technical Support�
5� Check the flow screen to see if batteries are discharging (operating in Battery mode) while utility power is
normal� If so, contact Vertiv Technical Support�
5.4. Cleaning the UPS
WARNING! Risk of electric shock
Can cause injury or death. Disconnect all local and remote electric power supplies before working with the UPS.
Ensure that the unit is shut down and power has been disconnected before beginning any maintenance.
WARNING! Risk of electric shock
Can cause injury or death. Hazardous mains and/or battery voltage exists behind the protective cover No user
accessible parts are located behind the protective covers that require a tool for removal. Only qualified service
personnel are authorized to remove such covers. If maintenance for rack is needed, notice that the neutral line
is live.
The UPS requires no internal cleaning� If the outside of the UPS becomes dusty, wipe with a dry cloth� Do not use
liquid or aerosol cleaners� Do not insert any objects into the ventilation holes or other openings in the UPS�
5.5. Firmware Updates
The UPS has two firmware components:
• DSP is the firmware for the power module�
• MCU is the firmware for the display panel�
Both may be updated through a connection the UPS, using CLI and the R232 port or, if the UPS includes the
IntelliSlot RDU101 card, using the RJ-45 port on the card�
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Maintenance