APC Back-UPS 800 Specifications download pdf (Page 6)

Back-UPS BX800CI-RS/BX1100CI-RS Installation and Operation6

Troubleshooting

Problem Possible Cause Corrective Action

Back-UPS will not turn on. The Back-UPS is not connected to AC

power.

Be sure that the Back-UPS is securely connected to an

AC outlet.

The circuit breaker has been tripped. Disconnect nonessential equipment from the

Back-UPS. Reset the circuit breaker. Reconnect

equipment one item at a time. If the circuit breaker is

tripped again, disconnect the device that caused the

short circuit.

The internal battery is not connected. Connect the battery connector. Refer to “Connect the

Battery” on page 1.

The AC input voltage is out of range. Adjust the transfer voltage and sensitivity range.

The Back-UPS is operating on

battery power, while connected

to AC power.

• The Back-UPS power cable is not

securely connected to the wall outlet.

• The wall outlet is no longer receiving

AC power.

• The circuit breaker has been tripped.

Verify that the power cable plug is securely connected

to the wall outlet.

Verify that the wall outlet is receiving AC power by

checking it with another device.

The Back-UPS is performing an

automatic self test.

No action is necessary.

• The AC input voltage is out of range.

• The frequency is out of range.

• The waveform is distorted.

Adjust the transfer voltage and sensitivity range.

The Back-UPS does not provide

the expected amount of backup

time.

Battery Backup outlets may be fully or

improperly loaded.

Disconnect non-essential equipment from the Battery

Backup outlets.

The battery was recently discharged due

to a power outage and has not fully

recharged.

Charge the battery cartridge for eight hours.

The battery has reached the end of its

useful life.

Replace the battery.

The B

ATTERY and ON LINE

LEDs flash alternately.

The battery has reached the end of its

useful life.

Replace the battery.

The

BATTERY LED is

illuminated and the

Back-UPS emits a constant

tone.

The connected equipment is drawing

more power than the Back-UPS can

provide.

Disconnect nonessential equipment from the Battery

Backup outlets.

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APC Back-UPS 800 Specifications Page 6

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