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TOSHIBA
39
Display Screens (cont'd)
System Warning Messages
Warning messages will be displayed when an abnormal operating condition occurs. The
following chart shows allowable messages.
LCD Message LED Message Meaning/Action
Amber
LED
Flashes
Meaning: The UPS is overloaded (110% or above).
Unit will switch to bypass operation or shut down if
no action is taken.
Action: Shut down excess equipment to reduce
Load
Amber
LED
Flashes
Meaning: The UPS is overloaded (110% or above)
and has switched to bypass. Unit will shut down the
output if no action is taken.
Action: Shut down excess equipment to reduce
load
Amber
LED
Flashes
Meaning: The battery level has dropped low
(about 90% or less) during operation. Continued
operation in this mode will deplete battery and
cause output shut down.
Action: Immediately shut down the load equipment
in an orderly fashion and then press the
key.
Amber
LED
Flashes
Meaning: The unit is overheated (warning is
given when the internal temperature reaches
and exceeds 50° C rise @ 40° C ambient).
Action: Check to see if the ambient temperature
is abnormally high (40° C or more). If so, turn on air
conditioning. Also, check ventilation fan at the back
of the unit for operation or obstructions. Otherwise,
shut down the unit and call for service.
Amber
LED
Flashes
Meaning: Advance notice that batteries are
nearing the end of the expected lifetime.
Action: Contact your Toshiba authorized service
center to arrange for battery replacement.
Amber
LED
On
Meaning: Batteries at end of life.
Action: Have batteries replaced immediately.
Amber
LED
On
Meaning: Inspection of unit is advised.
Action: Have inspection/service performed
Stop
OVERLOAD: 132%
OL: REDUCE LOAD
BATTERY LOW 87%
UPS-TEMP
52°C
REPLACE BAT
SOON
REPLACE BATTS
REQUIRES SERVICE
PLEASE SERVICE