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1600XP Series Installation and Operation Manual
INVOLNR Y Inverter Overload (Not Reset-
table) – Output overload condition
occurred.
Reduce equipment load to 100% or less and
manually restart the UPS.
INVOLR Y Inverter Overload (Resettable) –
Output overload condition oc-
curred.
Reduce equipment load to 100% or less, the UPS
will retransfer.
OOC Y Output Overcurrent – UPS is over-
loaded.
Shut down excess equipment to reduce load.
VOOV Y Output Overvoltage – Output over-
voltage condition occurred.
UPS is possibly faulty. Check the UPS operation
conditions at time of fault. Not advisable to restart
the UPS. Call Toshiba for service.
VOUV Y Output Undervoltage – Output
undervoltage condition occurred.
UPS is possibly faulty. Check the UPS operation
conditions at time of fault. Not advisable to restart
the UPS. Call Toshiba for service.
24.4 System Warning Messages
Warning messages are generated when a noncritical abnormal operating condition occurs. The following
tables shows possible messages and their meaning.
When a Warning condition exists, the amber LED on the UPS display panel will ash for the duration of
the Warning condition.
All warnings will clear after the appropriate action has been taken.
Display Record-
ed
Meaning Action
AOH Y Ambient Overheat – The unit is
overheated (warning is given when
the internal temperature reaches
and exceeds 50° C ambient).
Check to see if the ambient temperature is greater
than 104 °F (40 °C) 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 Toshiba for service.
ASYN N Asynchronous mode – Input and
output frequency are different.
Bypass is disabled.
No Action Needed.
BDEPL N Battery Depleted – Battery not
within specications.
Call Toshiba for service.
BLFE Y Battery Lifetime End – Batteries at
end of life.
Have batteries replaced immediately.
BLFN Y Battery Lifetime Near End – Bat-
teries are nearing the end of their
expected lifetime.
Call Toshiba for service.
BOH Y Battery Overheat – Battery not
within specications.
Call Toshiba for service.
BRPL Y Replace Battery – Battery at end
of life expectancy.
Replace battery immediately.