Indicator Lights - HP T500 Owner's Manual

200402046--HP UPS Owners manual_x2.qxd
Basic Operation

Indicator Lights

All Indicator Light descriptions apply when the UPS is plugged into an AC outlet and turned
on.
LINE POWER: This green light will turn ON whenever your UPS is receiving
normal AC line power. It will flash while the UPS is in CHARGE ONLY
mode to indicate that the UPS will not provide battery backup during a black-
out or brownout.
BATTERY POWER: This yellow light will turn ON when your UPS is pro-
viding your equipment with battery power.
BATTERY CHARGE: This red light will turn ON continuously after the UPS
runs a self-test to indicate that the UPS's battery is weakly charged. If it remains
lit after you have allowed the UPS to charge for twelve hours and have run a
second self-test, contact an HP authorized service representative.
OVERLOAD: This red light will turn ON continuously when the UPS is pro-
viding power from battery or after the UPS runs a self-test to indicate that the
UPS's inverter is overloaded. If it lights up, immediately remove some of the
equipment connected to the UPS and run a self-test. Large overloads may cause
your UPS to shut down momentarily. This may result in ungraceful shutdown
of attached systems.
Other UPS Features
AC Receptacles: "UPS/Surge" receptacles are used to provide your con-
nected equipment with AC line power during normal operation and bat-
tery power during blackouts and brownouts. They also protect your equip-
ment against damaging surges and line noise. "Surge-only" receptacles
(identified on the back of the UPS) are used to provide peripherals with
surge protection without committing precious battery power to support
them during blackouts.
Telephone Protection Jacks: These jacks protect your equipment against
surges over a telephone line. Connecting your equipment to these jacks is
optional. Your UPS will work properly without this connection.
3/11/2004
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