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990-1007A, Revision 2 9/99
Smart-UPS DP Quick Reference Guide English
About Your New UPS
This Uninterruptible Power Supply (UPS) prevents blackouts,
brownouts, sags and surges from reaching your computer and
other valuable electronic equipment, filters out utility line
fluctuations, and isolates your equipment from disturbances by
actively controlling voltage to loads, and supplying power
from its batteries when required.
While running on battery, an internal alarm will sound
(periodic beeps). The mute button may be pressed to silence
the UPS alarm.
If the utility power does not return, the UPS will continue
supplying power to the connected equipment until exhausted.
A continuous beeping will sound two minutes before the
UPS’s final low battery shutdown. If using a computer, you
must manually save your files and power down before the UPS
turns itself off, unless you are using PowerChute interface
software that provides automatic, unattended shutdown.
Installation and Setup
1. Install UPS
• The Smart-UPS DP must be installed by a local
authorized electrician.
• National and local electrical regulations must be adhered
to during installation and operation.
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2. Turn on UPS
• Switch on the mains fuse on the rear of the
UPS. The Smart-UPS DP will perform a
self-check ending with the LED display
showing red/yellow/green, indicating the
unit is functioning properly. The unit
performs a self-test automatically when
turned on, and every two weeks thereafter.
• Turn the on/off switch on the front of the
Smart-UPS DP to 1 (up). The acoustic
alarm will give a short beep when output
power is available.
• The UPS charges its battery whenever it is
connected to utility power and the on/off
switch on the front of the unit is turned on
(1 or up). The battery charges fully during
the first 4 hours of normal operation. Do
not expect full runtime during this initial
charge period.
3. Install PowerChute
®
• For additional computer system security, install
PowerChute
®
UPS monitoring software. It provides
automatic unattended shutdown capabilities on most
major network operating systems. See the Software
Installation: Instruction Sheet for details.
Troubleshooting
Use the chart below to solve minor UPS installation problems.
Contact APC Technical Support Staff for assistance with
complex UPS problems. See APC Contact Information, page
18, for a location near you.
Problem and
Possible Cause
Solution
UPS will not turn on.
• On/off switch turned to off
(0 or down).
Turn the switch to 1 (up) to power the UPS
and the load.
• Fuse switch turned to off
(down).
Turn the switch up.
• On/off switch needs to be
cycled on and off
Switching the on/off switch to off (0 or
down) and on again (1 or up).
• UPS not connected to AC
power supply.
Check that the power cable from the UPS to
the power supply is securely connected at
both ends.
• UPS input circuit breaker
tripped.
Reduce the load on the UPS by unplugging
equipment and reset the fuse switch (on
back of UPS) by switching it up.
• Very low or no utility
voltage.
Check the circuit breakers to the AC power
supply.
UPS will not turn off.
• Internal UPS fault.
Have the UPS serviced immediately.
UPS operates on-battery although normal line voltage exists.
• UPS input circuit breaker
tripped.
Reduce the load on the UPS by unplugging
equipment and reset the fuse switch (on
back of UPS) by switching it up if
necessary.
• Very high, low, or distorted
line voltage. Inexpensive
fuel powered generators can
distort the voltage.
Move the UPS to a different circuit.
Test the input voltage using PowerChute.
UPS beeps occasionally.
• Normal UPS operation.
None. The UPS is protecting the load.
UPS does not provide expected backup time.
• The UPS’s battery is weak
due to recent outage or is
near the end of its service
life.
Charge the battery. Batteries require
recharging after extended outages. Also,
they wear faster when put into service often
or when operated at elevated temperatures.
If the battery is near the end of its service
life, consider replacing the battery.
• The UPS is overloaded.
Check the UPS’s load using PowerChute.
Unplug less needed equipment, such as
printers.
Front panel indicators off.
• The UPS has been shut
down by remote control.
None. The UPS will restart automatically
when utility power returns.
All indicators are lit constant red and UPS emits a constant beeping.
• Overload
Reduce the load on the UPS by unplugging
equipment and reset the fuse switch (on
back of UPS) by switching it up if
necessary.
• Internal UPS fault.
Have the UPS serviced immediately.
All indicators are off and UPS is connected to the AC power.
• The UPS is shut down and
the battery is discharged
from an extended outage.
None. The UPS will return to normal
operation when the power is restored and
the battery has a sufficient charge.
All indicators are flashing yellow.
• Weak batteries.
Do another self test to see if it clears
• Replacement batteries not
connected properly.
Confirm the battery connections.