96047 First Edition 4-9
Fault Isolation
■Battery Replacement
The following procedure explains how to replace a worn or weak battery in the
UPS. Observe the following safety precautions before replacing the battery.
Battery Safety
Observe the following safety precautions when replacing the batteries:
WARNING:
Personal injury. Do not l ift hea vy loa ds wit hout assi stan ce. The batteri es
are heavy and require two people to lift and install them.
•The UPS contains potentially hazardous voltages. Do not attempt to
disassemble the unit. The only exception is when replacing the batteries—
battery replacement is permissible.
•Except for the battery, the unit contains no user serviceable parts. Repairs
are performed only by factory trained service personnel.
•Do not dispose of batteries in a fire. The batteries may explode.
•Do not open or damage the batteries. They contain an electrolyte which is
toxic and harmful to the skin and eyes.
•Replace the batteries with the same part number and type as the original.
Instructions
The UPS battery is easy to replace using a hot-swappable battery tray. Battery
replacement is a safe procedure and is isolated from electrical hazards.
Notes: Read the following before beginning this procedure:
•You may leave the UPS and the protected equipment on for this procedure.
•The battery tray is accessible from the front of the UPS.
•Be careful removing the battery tray—it is heavy.
•This procedure requires a Phillips head screwdriver.
•Small sparks at the battery connectors are normal during re-connection.
To replace the battery:
1. Remove the front cover.
a. Using both hands, insert an index finger behind the lip of the curved
section of the front cover.
b. Pull the cover towards you. The cover will unsnap.
c. Unhook and remove the cover from the UPS to expose the battery door.