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Chapter 6. UPS maintenance
Battery pack replacement
When the battery replacement screen is displayed (see illustration), replace the
battery packs. Contact your service representative to order new battery packs.
Replace all battery packs in the UPS and any EBMs connected to the UPS at the
same time. The replacement battery packs must have no more than 12 month
variation between their dates of manufacture and should not have reached or
exceeded their shelf life. Dispose of battery packs in accordance with local
regulations.
Battery packs can be replaced without turning off the UPS or disconnecting the
load. If you prefer to power down to change the battery packs, see Shutting down
the UPS.
Note: DO NOT DISCONNECT a battery pack while the UPS is in Battery mode.
Be aware that the UPS can switch to Battery mode at any time and without
warning.
Safety considerations
The battery packs can cause electrocution and high short-circuit currents. The
following safety precautions are required before servicing the battery components:
v Remove watches, rings, bracelets and all other metal objects from the hands and
v Use tools with an insulated handle
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