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1600EP Series Instruction Manual
System Warning Messages
Warning messages will be displayed when an abnormal operating condition occurs. The following chart
shows possible messages and their meaning.
LCD Message LED Message Meaning/Action
Amber
LED
Flashes
The UPS is overloaded (110% or
above). Unit will switch to bypass operation or
shut down if no action is taken.
Shut down excess equipment to
reduce load
Amber
LED
Flashes
The UPS is overloaded (110% or
above) and has switched to bypass. Unit will
shut down the output if no action is taken.
Shut down excess equipment to
reduce load
Amber
LED
Flashes
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.
Immediately shut down the load
equipment in an orderly fashion and then press
the STOP key.
Amber
LED
Flashes
The unit is overheated (warning is
given when the internal temperature reaches
and exceeds 50° C rise @ 40° C ambient).
Check to see if the ambient
temperature is abnormally high (40° C or
more). If so, turn on air conditioning and check
the ventilation fan at the back of the unit for
operation or obstructions. Otherwise, shut
down the unit and call for service.
Amber
LED
Flashes
Advance notice that batteries are
nearing the end of the expected lifetime.
Contact your Toshiba authorized
service center to arrange for battery
replacement.
Amber
LED
Flashes
Batteries at end of life.
Have batteries replaced immediately.
Amber
LED
Flashes
Inspection of unit is advised.
Have inspection/service performed.
Alarm
Alarm
Alarm
Alarm
Alarm
Alarm
Alarm
OVERLOAD: 132%
OL: REDUCE LOAD
UPS-TEMP 52°C
BATTERY LOW 90%
REPLACE BAT
SOON
REPLACE BATTS
REQUIRES SERVICE
PLEASE SERVICE