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Back-UPS® Pro Installation and Operation
7
Troubleshooting
Problem Possible Cause Corrective Action
Back-UPS will not switch on. The Back-UPS is not connected to utility
power.
Ensure that the Back-UPS is securely connected
to an AC outlet.
The circuit breaker has been tripped. Disconnect non-essential equipment from the
Back-UPS. Reset the circuit breaker. Re-connect
equipment one item at a time. If the circuit
breaker is tripped again, disconnect the device
that caused the trip.
The internal battery is not connected. Connect the battery.
The utility input voltage is out of range. Adjust the transfer voltage and sensitivity range.
The Back-UPS does not
provide power during a utility
power outage.
Ensure that essential equipment is not
plugged into a
SURGE ONLY outlet.
Disconnect equipment from the
SURGE ONLY
outlet and re-connect to a Battery Backup outlet.
The Back-UPS is operating on
battery power, while connected
to utility power.
The plug has partially pulled out of the wall
outlet, the wall outlet is no longer receiving
utility power, or the circuit breaker has been
tripped.
Ensure that the plug is fully inserted into the
wall outlet. Ensure that the wall outlet is
receiving utility power by checking it with
another device.
The Back-UPS is performing an automatic
self test.
No action is necessary.
The utility input voltage is out of range, the
frequency is out of range, or the waveform
is distorted.
Adjust the transfer voltage and sensitivity range.
The Back-UPS does not
provide the expected amount of
backup time.
Battery Backup outlets may be fully or
improperly loaded.
Disconnect non-essential equipment from the
Battery Backup outlets and connect the
equipment to
SURGE ONLY outlets.
The battery was recently discharged due to a
power outage and has not fully recharged.
Charge the battery cartridge for 16 hours.
The battery has reached the end of its useful
life.
Replace the battery.
The
REPLACE BATTERY
indicator is illuminated.
The battery has reached the end of its useful
life.
Replace the battery.
The O
VERLOAD indicator is
illuminated.
The equipment connected to the Back-UPS
is drawing more power than the Back-UPS
can provide.
Disconnect non-essential equipment from the
Battery Backup outlets and connect the
equipment to
SURGE ONLY outlets.
The
SYSTEM FAULT indicator is
illuminated, all the front panel
indicators are flashing.
There is an internal fault. Determine which internal fault message is
displayed by matching the number displayed on
the LCD with the corresponding Fault Message
(see System Faults) and contact APC Technical
Support.
Power is not supplied to some
outlets.
Power to the Controlled outlets has
intentionally been turned off.
Confirm that the correct peripherals are
connected to Controlled outlets. If this feature is
not desired, disable the Power-Saving Master
and Controlled outlets.
The Controlled outlets are not
supplying power, even though
the Master device is not in sleep
mode.
The Master Outlet threshold may be
incorrectly set.
Adjust the threshold when the Master outlet
signals the Controlled outlets to shut down.
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