Back-UPS Pro 1200 & 1500 230 V 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 sav e any wor k in progress, exi t
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 th e it em s
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 f unctio ning prop erly. Contact APC
Customer Service to order a replacement battery. See “Replacement Battery” on page8.
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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