APC Back-UPS 1250 Specifications download pdf (Page 10)

Installation and Operation Back-UPS 1250, 1300, 150010

Troubleshooting

Problem Possible Cause Corrective Action

Back-UPS will not turn

on.

The Back-UPS is not connected to

utility power.

Be sure that the Back-UPS is securely

connected to a utility outlet.

The circuit breaker has been tripped. Disconnect non-essential equipment

from the Back-UPS. Reset the circuit

breaker. Re-connect equipment one item

at a time. If the circuit breaker is tripped

again, disconnect the device that caused

the event.

The internal battery is not connected. Connect the battery.

The utility input voltage is out of

range.

Adjust the transfer voltage and

sensitivity range.

The Back-UPS is

operating on battery

power, while connected to

utility power.

• The Back-UPS power cord is not

securely connected to the wall outlet.

• The wall outlet is no longer receiving

utility power.

• The circuit breaker has been tripped.

Verify that the plug is fully inserted into

the wall outlet. Verify that the wall outlet

is receiving utility power by checking it

with another device.

The Back-UPS is performing an

automatic self test.

No action is necessary.

• The utility 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.

The Back-UPS may be experiencing

an overload condition.

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 for eight hours.

The battery has reached the end of its

service life.

Replace the battery.

The BATTERY and ONLINE

LEDs are flashing

alternately.

The battery has reached the end of its

service life.

Replace the battery.

The

BATTERY LED is

illuminated and the

Back-UPS emits a

constant tone.

The equipment connected to the

Back-UPS is drawing more power than

the Back-UPS can provide.

Disconnect non-essential equipment

from the Battery Backup outlets.

The Building Wiring Fault

LED illuminates.

The building wiring presents a shock

hazard that must be corrected by a

qualified electrical.

Do not operate the Back-UPS. Call a

qualified electrician to correct the

building wiring fault.

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APC Back-UPS 1250 Specifications Page 10

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