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Maintenance 38
1.
(optional) To replace the component with the UPS powered down, refer to "Powering down the UPS (on
page 34)."
2. Disconnect all cables attached to the UPS Network Module connectors.
3. Remove the two screws securing the UPS Network Module and slide the module out.
To replace the component, reverse the removal procedure.
NOTE: Replacing the UPS Network Module might require power management software to be
restarted or reconfigured.
Replacing the batteries
To replace the batteries:
1. Read and observe the requirements in "Important battery safety information (on page 38)" and "Battery
care and storage guidelines (on page 39)."
2. Follow the instructions in "UPS battery replacement procedure (on page 39)."
Important battery safety information
WARNING: The unit contains sealed lead-acid battery modules. To prevent fire or chemical
burns:
• Do not attempt to recharge batteries after removal from the unit.
• Do not disassemble, crush, or puncture the batteries.
• Do not short the external contacts of the batteries.
• Do not immerse the batteries in water.
• Do not expose to temperatures higher than 60°C (140°F).
WARNING: To prevent personal injury from hazardous energy:
• Remove watches, rings, or other metal objects.
• Use tools with insulated handles.
• Do not place tools or metal parts on top of batteries.