6: Troubleshooting - IBM UPS750TLV/ Manual De Instrucciones

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6: T
ROUBLESHOOTING
Use the chart below to solve minor uninterruptible power supply installation and operation problems. Refer to IBM for assis-
tance with complex uninterruptible power supply problems.
P
/
P
ROBLEM AND
OR
OSSIBLE
C
AUSE
UNINTERRUPTIBLE POWER SUPPLY WILL NOT TURN ON
Uninterruptible power supply
not connected to utility power
supply.
Battery not connected prop-
erly.
Very low or no utility voltage.
UNINTERRUPTIBLE POWER SUPPLY WILL NOT TURN OFF
Internal uninterruptible power
supply fault.
UNINTERRUPTIBLE POWER SUPPLY BEEPS OCCASIONALLY
Normal operating uninterrup-
tible power supply beeps
when running on battery.
UNINTERRUPTIBLE POWER SUPPLY IS NOT PROVIDING EXPECTED BACKUP TIME
The uninterruptible power
supply battery is weak due to
a recent outage or is near the
end of the service life.
ALL LEDS ARE ILLUMINATED AND THE UNINTERRUPTIBLE POWER SUPPLY EMITS A CONSTANT
BEEPING
Internal uninterruptible power
supply fault.
FRONT PANEL LEDS FLASH SEQUENTIALLY
The uninterruptible power
supply has been shut down
remotely through software or
an optional accessory card.
ALL LEDS ARE OFF AND THE UNINTERRUPTIBLE POWER SUPPLY IS PLUGGED INTO A WALL OUTLET
The uninterruptible power
supply is shut down or the
battery is discharged from an
extended outage.
THE OVERLOAD LED IS ILLUMINATED AND THE UNINTERRUPTIBLE POWER SUPPLY EMITS A SUS-
TAINED ALARM TONE
The uninterruptible power sup-
ply is overloaded. The con-
nected equipment is drawing
more VA or more Watts than
the uninterruptible power sup-
ply can sustain.
Check that the power cord from the uninterruptible power supply to the util-
ity power supply is securely connected at both ends.
Check that the battery connector is fully snapped into position.
Check the utility power supply to the uninterruptible power supply by plug-
ging in a table lamp. If the light is very dim, have the utility voltage
checked.
Do not attempt to use the uninterruptible power supply. Unplug the uninter-
ruptible power supply and have it serviced immediately.
None. The uninterruptible power supply is protecting the connected equip-
ment from occasional utility power irregularities.
Charge the battery. Batteries require recharging after extended outages, and
wear faster when frequently put into service or when operated at elevated
temperatures. If the battery is near the end of the service life, consider re-
placing the battery even if the replace battery LED is not yet illuminated.
Do not attempt to use the uninterruptible power supply. Turn off the uninter-
ruptible power supply and have it serviced immediately.
None. The uninterruptible power supply will restart automatically when
utility power returns.
None. The uninterruptible power supply will return to normal operation
when the power is restored and the battery has a sufficient charge.
The connected equipment exceeds the specified "maximum load."
The alarm remains on until the overload is removed. Disconnect nonessen-
tial equipment from the uninterruptible power supply to eliminate the over-
load.
The uninterruptible power supply continues to supply power as long as it is
online and the circuit breaker does not trip; the uninterruptible power sup-
ply will not provide power from batteries in the event of a utility voltage
interruption.
If a continuous overload occurs while the uninterruptible power supply is
on battery, the unit turns off output in order to protect the uninterruptible
power supply from possible damage.
14
S
OLUTION

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