Apc SMARTUPS Smart-UPS 700 User Manual download pdf (Page 21)

17

English

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.

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