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Use the table below to solve minor UPS installation or operation problems. Consult APC Online Technical
Support or call APC Technical Support for assistance with problems that cannot be solved using the table below:
Possible Cause Procedure
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Battery is not connected properly. Check the battery connections. Consult “Connect battery
wire” under “Setup” on the front page which shows how to
access the battery and connect the wire.
UPS not connected to AC power supply. Check that the UPS power plug is securely connected to the
wall outlet.
UPS circuit breaker “tripped”. Disconnect non-essential equipment from
the UPS. Reset the circuit breaker (on
back of UPS) by pushing the button back
in. If the breaker resets, switch the UPS
On and reconnect equipment one at a
time. If the breaker trips again it is likely
that one of the connected devices is
responsible for the overload.
Very low or no utility voltage. Check the wall outlet, that supplies power
to the UPS, with a table lamp. If the lamp
is very dim, have the utility voltage
checked by a qualified electrician.
Utility overvoltage. Connect the UPS to another wall outlet or have a qualified
electrician check the building wiring.
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UPS’s circuit breaker “tripped”. Disconnect non-essential equipment from
the UPS. Reset the circuit breaker (on
back of UPS) by pushing the button back
in.
The specific wall outlet the UPS is
connected to does not supply utility
voltage.
Connect the UPS to another wall outlet or have a qualified
electrician check the building wiring.
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The UPS is excessively loaded. Unplug non-essential Battery Back-Up connected
equipment, such as printers. They can be plugged into Surge
Protection outlets.
Note: Devices that have motors or dimmer switches (laser
printers, heaters, fans, lamps, and vacuum cleaners for
example) should not be connected to the Battery Backup
Plus Surge Protection outlets.
The UPS’s battery is weak due to recent
outage and has not had time to recharge.
Charge the battery. The battery charges whenever it is
connected to utility power. Typically, six to eight hours are
needed to fully charge the battery from total discharge. UPS
runtime is reduced until the battery is fully charged. You can
perform a self test after the battery is fully recharged by
pressing and holding the On/Test button for more than 1
second, then releasing it.
Battery requires replacement. If the Replace Battery LED is lit, the battery should be
promptly replaced. If the UPS is operated with a
weakened battery, runtime will be significantly reduced.
Battery capacity decreases with frequent power outages or
when the UPS is operated at elevated temperatures. Batteries
typically last 3-6 years.
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The Overload indicator is lit if equipment
connected to Battery Backup outlets is
drawing more power than the UPS can
provide.
Move one or more pieces of equipment to the Surge
Protection outlets.
The Replace battery indicator is lit if the
battery is near the end of its useful life.
The battery should be replaced within two weeks (see Order
Replacement Battery). Failure to replace the battery may
result in insufficient runtime during a power outage.
The On Line and Overload indicators are
flashing alternately.
The UPS has entered sleep mode. This lasts for 16 seconds
during a power outage and is normal.
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UPS failure Call APC for service.
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Battery is not connected. Check the battery connections. (See “Connect battery wire”
under “Setup” on the front page.)
PC and/or monitor is plugged into a Surge
Protection outlet.
Move PC and/or monitor to the Battery Backup plus Surge
Protection outlets.
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Acceptable Input Voltage 0 - 160 Vac, Single Phase
Input Voltage (on line) 90 - 133 Vac
Output Voltage 103 -133 Vac
Frequency Limits (on line) 47 - 63 Hz (autosensing)
Maximum Load
350 VA - 220 W 500 VA - 315 W
Typical Recharge Time 6 to 8 hours from total discharge
Operating Temperature
32 to 104°F (0 to 40°C)
Storage Temperature
5 to 113°F (-15 to 45°C)
Operating and Storage Relative
Humidity
0 to 95%, non-condensing
Size (H x W x D) 9.4 x 5.0 x 7.9 in (23.9 x 12.7 x 20.0 cm)
Weight
350 VA -14.2 lb (6.4 kg) 500 VA - 15.4 lb (6.9 kg)
Shipping Weight
350 VA - 16.2 lb (7.4 kg) 500 VA - 17.8 lb (8.1 kg)
EMI Classification FCC/DOC Class B certified
Note: Detailed UPS product specifications are available online at the APC web site or through the APC
faxback system ( 800-347-3299).
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If the UPS needs to be stored for extended periods of time, the battery needs to be charged periodically to
maximize battery capacity. Before storing, charge the UPS for at least 10 hours. Store the UPS covered and
upright in a cool, dry location.
The recommended period of time the unit can be stored without periodic charging is dependent on the
storage temperature:
Extended Storage
Storage Temperature Recharge Frequency Charging Duration
5 to 86
o
F (-15 to 30
o
C) Every 6 Months 10 Hours
86 to 113
o
F (30 to 45
o
C) Every 3 Months 10 Hours
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The typical battery lifetime is 3-6 years (depending on number of discharge cycles and operating temperature). A
replacement battery can be ordered from local retailers, APC, or the APC web site.
The APC part number for the APC Back-UPS Pro (350 or 500) Replacement Battery Cartridge is RBC2.
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Battery replacement is a safe procedure. You may leave the UPS On and equipment connected
during this procedure. Do not replace the battery when the UPS is On Battery.
Please consult the “Connect battery wire” diagrams (a through d) on the front page during this
procedure.
1. Set the UPS at the edge of a table (diagram a).
2. Slide the battery compartment cover down (diagram b).
3. Grasp the tab attached to the battery and slide the battery partially out. Then grab the battery firmly and pull it
out. The battery wires will disconnect as the battery is pulled out (diagram c).
4. Carefully insert the new battery halfway into the UPS, avoid pinching the wires (diagram d).
5. Connect the wires to the new battery:
Red wire - to red terminal
Black wire - to black terminal
Small sparks at the battery terminals are normal during connection.
6. Carefully insert the battery fully into the UPS (diagram d).
7. Slide the battery compartment cover back into place (diagram e).
The old battery must be recycled. Deliver the battery to an appropriate recycling facility or return it to APC in
the packing carton that came with your new battery. Additional recycling information is provided with your
new battery.
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If the unit arrived damaged, notify the carrier.
If the UPS requires service, do not return it to the dealer. The
following steps should be taken.
1. Consult the Troubleshooting section to eliminate common problems.
2. Verify that the circuit breaker is not tripped. A tripped circuit breaker is the most common UPS problem.
3. If the problem persists, consult APC Online Technical Support or call APC Technical Support.
• When calling APC Technical Support, have the model number of the UPS, the serial number and
the date purchased ready. Be prepared to troubleshoot the problem over the telephone with an APC
Technical Support representative. If this is not successful, APC will issue a Return Merchandise
Authorization number (RMA#) and a shipping address.
• A UPS under warranty will be repaired at no cost.
The standard warranty is 2 years from date of purchase. APC's standard procedure will be to replace
the original unit with a factory reconditioned unit. APC will ship out the replacement unit once the
defective unit has been received by the repair department or cross ship upon the receipt of a valid
credit card number. The customer pays for the shipping to APC and APC pays ground freight
transportation costs back to the customer.
• Customers who must have the original unit back due to assigned asset tags and set depreciation
schedules must declare such a need at first contact with an APC Technical Support representative.
• If the warranty has expired, there is a repair charge.
4. For Return:
• Disconnect the black wire from the UPS battery. Department of Transportation (DOT) regulations
require that the black battery wire be disconnected before shipping the UPS back to APC. Refer to
“Connect battery wire” instructions and graphics on the front page for how to disconnect the black
wire from the battery.
• Pack the UPS in its original packaging. If the original packing is not available, contact APC
Technical Support to obtain a new set. Pack the UPS properly to avoid damage in transit.
Never use Styrofoam™ beads for packaging. Damage sustained in transit is not covered
under warranty (insuring the package for full value is recommended).
• Write the RMA# on the outside of the package.
• Return the UPS by insured, prepaid carrier to the address given to you by Technical Support.
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USA/Canada …………….
Mexico……………………
Brazil …………………….
Worldwide ………………
1.800.800.4272
292.0253 / 292.0255
0800.12.72.1
1.401.789.5735
Web site……………………http://www.apcc.com
Online Technical Support…http://support.apcc.com