APC SMT750RMI2U Bedienungsanleitung PDF herunterladen (Seite 15)

Smart-UPS Rack-Mount2U 750/1000/1500 VA 120/230 Vac, 3000 VA 100/120/208/230 Vac, 2200 VA 120 Vac 14

Troubleshooting

Problem and Possible Cause Solution

The UPS will not turn on or there is no output

The unit has not been turned on. Press the ON key once to turn on the UPS.

The UPS is not connected to utility

power.

Be sure the power cable is securely connected to the unit and to the utility

power supply.

The input circuit breaker has tripped.

Reduce the load on the UPS. Disconnect nonessential equipment and reset the

circuit breaker.

The unit shows very low or no input

utility voltage.

Check the utility power supply to the UPS by plugging in a table lamp. If the

light is very dim, check the utility voltage.

The battery connector plug is not

securely connected.

Be sure that all battery connections are secure.

There is an internal UPS fault.

Do not attempt to use the UPS. Unplug the UPS and have it serviced

immediately.

The UPS is operating on battery, while connected to utility power

The input circuit breaker has tripped. Disconnect nonessential equipment and reset the circuit breaker.

There is very high, very low, or

distorted input line voltage.

Move the UPS to a different outlet on a different circuit. Test the input voltage

with the utility voltage display. If acceptable to the connected equipment,

reduce the UPS sensitivity.

UPS emits intermittent beeps

The UPS is operating normally. None. The UPS is protecting the connected equipment.

UPS does not provide expected backup time

The UPS battery is weak due to a

recent power outage or is near the end

of its service life.

Charge the battery. Batteries require recharging after extended outages and

wear out 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 even if the replace battery LED is not illuminated.

The UPS is experiencing an overload

condition.

Check the UPS load display. Unplug unnecessary equipment, such as printers.

Display interface LEDs flash sequentially

The UPS has been shut down remotely

through software or an optional accessory

card.

None. The UPS will restart automatically when utility power is restored.

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