TOSHIBA
6 - 9
6.0 Operating the UPS
6.13 Front Panel Layout (Cont'd)
6.13.3 Front Panel Buzzer Reset
The UPS unit's audible alarm can be turned off (battery alarms excluded) by
pressing this front panel switch. The switch does not completely defeat the
audible alarm system and if a new condition appears the audible alarm will again
sound. See Audible Alarm Functions in Section 6.10 for details.
6.14 UPS Run Mode Display
The following chart shows existing normal operating output conditions when the UPS
RUN/FAULT lamp is green.
ExplanationDisplay status
Normal
Overload
Battery
backup
Low battery
during
battery
backup
= Flashing LED = Steady-lit LED
Output
All green lamps light and one or two red lamps flash
twice per second. Remove overload as quickly as
possible to prevent fault (fault timeouts vary de-
pending on overload condition).
When output current is between 30% and 100%, the
green lamps light in 15% increments (from left to right)
to indicate relative output value (This sample display
shows a value level of approximately 40% to 55% of
available output current). LED 1 and 2 will only
illuminate when output current is 30% or greater.
During battery backup all green and all red lamps
flash twice per second. As the batteries discharge, the
green lamps extinguish from left to right to indicate
remaining battery capacity (This sample display shows
a value level of approximately 55% to 70% of available
battery capacity).
All green lamps are off and one or two red lamps
continue to flash.
UPS Run Mode Display Chart
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