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Indicator Lights
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Use the MUTE/TEST button to do two things:
SILENCE ALARM: Your UPS has three alarms. The first, the
INVERT alarm, emits four short beeps every ten seconds when the UPS
is in INVERT mode, to warn you that AC power has failed. The second,
the OVERLOAD alarm, emits short, rapid beeps when the UPS is in
INVERT mode if the total power draw of connected equipment exceeds
the UPS’s output capacity to warn you to reduce the load. The third, the
Low Battery alarm, emits a constant beep when the UPS is in INVERT
mode and its batteries are very nearly depleted, to warn you that connected
equipment must shut down. To silence the INVERT or OVERLOAD
alarms, press the MUTE/TEST button. The LOW BATTERY alarm
will only stop when the UPS switches to the OFF or ON mode.
SELF-TEST BATTERIES AND ALARMS: If your UPS is in the
ON mode and has a load connected, you may test its batteries by
pressing the MUTE/TEST button for two seconds. The UPS will
switch to INVERT mode for several seconds. Normally, the INVERT
alarm (four short beeps) will sound, indicating that the system is
working properly. If the OVERLOAD alarm (short, rapid beeps)
sounds, reduce the load on the UPS. If the LOW BATTERY alarm (a
constant beep) sounds, your UPS’s batteries may need replacing or the
batteries may simply be less than fully charged. Let the UPS charge for
twelve hours, then perform a second self-test. If the LOW BATTERY
alarm sounds again, contact Tripp Lite for service.
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 blackout or brownout.
BATTERY POWER: This yellow light will turn ON when your UPS
is providing 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 run a second self-test, contact Tripp Lite
for service.
OVERLOAD: This red light will turn ON continuously when the
UPS is providing power from battery or after the UPS runs a self-test
to indicate that the UPS’s inverter is overloaded. If it is lit, immediately
remove some of the equipment connected to the UPS and run a self-test.
Large overloads may cause your UPS to shut down.
Basic Operation
continued
Buttons
continued
200208100 93-2041 OM500RMX Manual.qxd 9/11/2002 3:09 PM Page 6