APC SMARTUPS Smart-UPS 700 - Manual (Page 21)

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8. Troubleshooting
Problem Possible Cause Solution
Unit will not turn on.
On/test button not
pushed. Press the on/test button to power the unit
and the load
Unit’s input circuit breaker
tripped.
Reduce the load on the unit by unplugging
equipment and reset the circuit breaker by
pressing the plunger back in.
Very low or no utility
voltage.
Check the AC power supply to the unit
with a table lamp. If very dim, have the
utility voltage checked.
Unit will not turn on or
off. Computer interface or
accessory problem.
Disconnect the computer interface or
accessory. If the unit now works normally,
check the interface cable, the attached
computer, and the accessory.
Unit operates on-battery
even though normal line
voltage is thought to
exist.
Unit’s input circuit breaker
tripped. Reduce the load on the unit by unplugging
equipment and reset the circuit breaker.
Very high, low, or
distorted line voltage.
Test the input voltage with the utility
voltage display. See section 5.6. Inexpensive
fuel powered generators can distort the
voltage. If acceptable to the load, reduce
the unit’s sensitivity. See section 5.9.
Unit beeps occasionally. Normal operation. None. The unit is protecting the load.
Unit does not provide
expected back up time.
The unit’s battery is weak
due to recent outage or is
near the end of its service
life.
Charge the battery. The unit"s batteries
require recharging after an extended
outage. Batteries wear faster when put into
service often and when operated at
elevated temperatures. If the battery is near
the end of its service life, consider
replacing the battery even if the replace
battery indicator is not yet lit.
The unit is overloaded.
Check the unit’s load display. See section
5.4. Unplug less needed equipment, such as
printers.
Front panel indictors
flash sequentially. The unit has been shut
down by remote control. None. The unit will restart automatically
when utility power returns.
All indicators are lit and
the unit emits a constant
tone.
Internal unit fault.
Do not attempt to use the unit.. Turn the
unit off and have it serviced immediately.