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Back-UPS® Pro Installation and Operation
5
Warnings and System Faults
Audible Warnings
Warning Icons
System Faults
The Back-UPS will display these fault messages. For faults F01 and F02, contact APC Technical Support.
Four Beeps Every 30 Seconds
Back-UPS is running on battery. You should consider saving any work in progress.
Continuous Beeping
Low battery condition and battery run-time is very low. Promptly save any work in progress, exit
all open applications, and shut down the operating system.
Continuous tone
Battery Backup outputs are overloaded.
Chirps for 1 Minute every 5 hours
Battery fails the automatic diagnostic test and should be replaced.
If these icons are
illuminated... This may be the problem.
The Back-UPS is operating on utility power, but is overloaded. Disconnect one of the items
connected to the Back-UPS. If the Overload icon stops flashing, the Back-UPS is no longer
overloaded and will continue to operate normally.
The Back-UPS is operating on battery power, but is overloaded. Disconnect one of the items
connected to the Back-UPS. If the Overload icon stops flashing, the Back-UPS is no longer
overloaded and will continue to operate normally.
The Back-UPS is operating on utility power, but the battery is not functioning properly. Contact APC
Customer Service to order a replacement battery. See “Replacement Battery” on page 8.
The Back-UPS is operating on battery power and the battery power is getting low. Shut down all
connected equipment to avoid losing an unsaved data. When possible, connect the Back-UPS to
utility power to recharge the batter.
F01
On-Battery Overload Turn the Back-UPS off. Disconnect non-essential
equipment from the Battery Backup outlets and the turn
Back-UPS on.
F02
On-Battery Output Short Turn the Back-UPS off. Disconnect non-essential
equipment from the Battery Backup outlets and the turn
Back-UPS on.
F03
On-Battery Xcap Overload
Faults F03-F09 cannot be corrected by the user, contact
APC Technical Support for assistance.
F04
Clamp Short
F05
Charge Fault
F06
Relay Welding
F07
Temperature
F08
Fan Fault
F09
Internal Fault
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8
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