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Maintenance 29
IMPORTANT: Do not pull the battery leads when removing or installing the batteries.
To replace the component, reverse the removal procedure.
IMPORTANT: Charge the batteries for at least 24 hours before supplying backup power to
devices. The batteries charge to:
• 90% of their capacity within 4 hours
• 100% of their capacity within 24 hours
Testing the new battery module
After installing the new battery module, press the Test/Alarm Reset button. For information on initiating a
self-test, see "Initiating a self-test (on page 24)."
IMPORTANT: The UPS does not execute a self-test until the batteries are 90 percent charged.
If the installation has been successful, the UPS enters Operate mode. If the installation has not been
successful, the alarm beeps, the On Battery LED illuminates and the General Alarm LED flashes. If this
occurs, repeat the procedures in "Replacing the batteries (on page 27)," and check the battery terminal
connections. If the condition persists, see "Troubleshooting (on page 33)."
IMPORTANT: Charge the batteries for at least 24 hours before supplying backup power to
devices. The batteries charge to:
• 90% of their capacity within 4 hours
• 100% of their capacity within 24 hours
Replacing the UPS
To remove the UPS:
1. Power down all attached load devices.