Troubleshooting
The Replace Battery
indicator is lit and the
Back-UPS ES is making
continuous short beeps.
The On Battery indicator
is lit and the Back-UPS ES
is making continuous
beeps.
The Back-UPS ES is On Battery and the
battery is almost discharged.
The Back-UPS ES is about to turn off due to a low battery charge condition! Immediately power down
your computer and turn the unit off. When normal power returns, the unit will recharge its batteries.
When this beeping tone starts, you have approximately two minutes before the unit will shut itself
down.
The battery is not fully charged.
Battery near end of useful life.
Allow the unit to charge by leaving it plugged into the wall for a full 10 hours.
As a battery ages, the amount of runtime available will decrease. You can replace the battery by ordering
one at www.apc.com. Batteries also age prematurely if the Back-UPS ES is placed near excessive heat.
Inadequate runtime.
The Back-UPS ES is using battery. The Back-UPS ES is operating normally and using battery power. Once On Battery, you should save
your current work, power down your equipment, and turn the unit off. Once normal power is restored,
you may turn the unit back on and power on your equipment again.
The On Battery indicator
is lit and the Back-UPS ES
is sounding one beep every
10 seconds.
The “Battery Backup plus Surge Protection”
outlets are overloaded.
Reduce the amount of equipment connected to these outlets. The Back-UPS ES will shut itself down
abruptly if this condition is not corrected.
The battery may not be properly connected.
The battery may need to be charged.
The battery may need to be replaced.
See “Connect Battery” section.
Allow the unit to charge for at least 4 hours. Initiate a self-test by switching the unit off and back on again.
The unit will run a self-test to determine the condition of the battery.
If the Replace Battery indicator lights again after completing the self-test, then the battery must be replaced.
Go to www.apc.com for information on replacing your battery, or call 800.800.4272.
The Overload indicator is
lit and the Back-UPS ES is
making a low, continuous
tone.
Use the table below to solve minor Back-UPS ES 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:
Problem Probable Cause Solution
Back-UPS ES will not
turn on.
Battery is disconnected.
Circuit Breaker has tripped.
Connect the battery by following the instructions listed in the “Connect Battery” section.
Reduce the amount of equipment plugged into the “Battery Backup plus Surge Protection”
outlets of the unit. Next, reset the circuit breaker by pushing it back in.
Reduce the amount of equipment plugged into the “Surge Protection” outlets of the unit.
Next, reset the circuit breaker by pushing it back in.
The Building Wiring
Fault indicator is lit.
Your building wiring presents a shock hazard. Call a qualified electrician for service.
Specifications
model BE350 BE500
Input Voltage 120 Vrms, Nominal
Frequency 60 Hz +/-5%
Brownout Transfer 99 Vrms, typical
Over-voltage Transfer 138 Vrms, typical
Output UPS Capacity (3 outlets) 350 VA, 180 W 500 VA, 300 W
Surge Capacity (6 outlets) 12 Amps (including UPS output)
Voltage 115 Vrms +/-5%
(On Battery) (step-approximated sine wave)
Frequency 60 Hz +/- 0.5%
(On Battery)
Transfer Time 6 ms typical
Protection and Filter AC Surge Protection Full time, 720 Joule
Telephone Surge Protection Single line (two-wire)
EMI/RFI Filter Full time
UPS Overload Protection UPS automatic shutdown if UPS outlets
overload exceeds 110% of rated nominal
AC Input Resettable circuit breaker
Battery Type Sealed, Maintenance free lead acid
Recharge Time 4 hours typical,
10 hours max
Average life 2 - 4 years depending on discharge
cycles and environment temperature
Physical Net Weight 6.6 lb (3.0kg) 7.2 lb (3.2kg)
Size (H x W x D) 3.2 in x 10.7 in. x 4.9 in
(8.2cm x 27.2cm x 12.4cm)
Operating Temperature +32°F to 104°F (0°C to 40°C)
Operating Relative Humidity 0 to 95% non-condensing
Operating Elevation 0 to 10,000 ft. (0 to 3,000m)
Storage Temperature +5°F to 113°F (-15°C to 45°C)
Safety/Regulatory Safety Approvals UL 1778 listed, cUL certified per
CSA standard C22.2 No 107.1
EMC Compliance FCC part 68; FCC part 15 Class B
Service
Order Replacement Battery
Replace with an APC qualified battery. Replacement batteries can be ordered from www.apc.com.
Have your Back-UPS ES model number available when ordering. Your model number can be found on
the bottom of the Back-UPS ES.
USA/Canada ……………. 1.800.800.4272
Mexico…………………… 292.0253 / 292.0255
Brazil ……………………. 0800.12.72.1
Worldwide ……………… +1.401.789.5735
Web site…………………… http://www.apc.com
Online Technical Support… http://support.apc.com
APC Contact Information
Warranty
The standard warranty is 2 years from date of purchase.
Note: Detailed UPS product specifications are available online at www.apc.com or through the APC faxback system (800-347-3299).
Please DO NOT RETURN Back-UPS ES to the place of purchase under any circumstances!
1. Consult the Troubleshooting section to eliminate common problems.
2. Verify the battery is connected as shown in the Connect Battery section and that the circuit breaker is
not tripped (see Troubleshooting section).
If you still have problems or questions, please contact APC via the Internet or at one of the phone
numbers listed at the bottom of the page.
3. Before contacting APC, please be sure to record the date purchased, UPS model, and serial number
(on bottom of unit).
4. Be prepared to troubleshoot the problem over the telephone with a Technical Support Representative.
If this is not successful, the Technical Support Representative will issue a Return Merchandise
Authorization Number (RMA#) and a shipping address.
5. Pack the unit in its original packaging. If the original packing is not available, ask APC Technical
Support about obtaining a new set. Pack the unit properly to avoid damage in transit. Never use foam
beads for packaging. Damage sustained in transit is not covered under warranty (insuring the package
for full value is recommended).
6. Write the RMA# on the outside of the package.
7 Return the unit by insured carrier to the address given to you by APC Technical Support.
Equipment is connected to the “Surge Protec-
tion” outlets.
The Back-UPS ES is overloaded.
PowerChute plus software has performed a
shutdown due to a power failure.
The Back-UPS ES has exhausted its available
battery power.
The connected equipment does not accept
the step-approximated sine wave from the
Back-UPS ES.
The Back-UPS ES may require service.
Connected equipment
loses power.
Ensure that the equipment you want to stay powered during a power failure is plugged into the “Battery
Backup plus Surge Suppression” outlets and NOT the “Surge Protection” outlets.
Make sure that the equipment plugged into the outlets of the unit are not overloading the capacity of the unit.
Try removing some of the equipment and see if the problem continues.
The Back-UPS ES is operating normally.
The Back-UPS ES can only operate on battery power for a limited amount of time. The unit will eventally turn
off when the available battery power has been depleted. Allow the unit to recharge for at least 4 hours before
continuing operation of the unit.
The output waveform of this product is designed for computers and computer-related equipment. It is not
designed for use with motor-type equipment.
Call for further troubleshooting.