CyberPower CPS1000E, User Manual, Page: 7 / 56

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Press and hold the Display toggle switch for 4 seconds. The machine will begin a self test and
enter Battery Mode for 10 seconds before returning to Line Mode. Make sure the self test is ready,
or see the Definitions for illuminated LCD on page 9 for a list of alarm code definitions.
- After ensuring the machine works normally, reassemble the back cover. The installation is now
complete.
- When the external battery needs to be maintained or replaced remember to turn the machine off.
Once off, remove the AC power source and switch off the BATTERY SW. before maintenance or
replacing the batteries. When the work is complete, please start from Step 3 to re-install the
machine.
REPLACING THE BATTERY
CAUTION! Read and follow the IMPORTANT SAFETY INSTRUCTIONS before servicing the battery.
Battery service should only be done by qualified professionals.
CAUTION! Use only the specified type and number of external batteries. Please see the technical
specifications for replacement batteries.
CAUTION! The battery may present a risk of electrical shock. Do not dispose of battery in a fire as it
may explode. Follow all local ordinances regarding proper disposal of batteries. Lead-acid batteries
should be recycled.
CAUTION! Do not open or mutilate the batteries. Released electrolyte is harmful to skin and eyes and
may be toxic.
CAUTION! The external battery cabinet must be provided with 100A / 12V for models CPS1000E.
CAUTION! A battery can present a high risk of short circuit current and electrical shock.
Take the following precautions before replacing the battery:
1. Remove all watches, rings or other metal objects.
2. Only use tools with insulated handles.
3. Do not lay tools or metal parts on top of battery or any terminals.
4. Wear rubber gloves and boots.
5. Determine if the external battery is inadvertently grounded. If grounded, remove the source of
ground. CONTACT WITH GROUNDED BATTERY CAN RESULT IN ELECTRICAL SHOCK!