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TOSHIBA
41
Display Screens (cont'd)
Status Change Indications
Warning messages will be displayed when an abnormal operating condition occurs.
The following chart shows possible messages.
LCD Message Meaning/Action
Meaning: The UPS has automatically entered the bypass mode
because it detected an output current that is larger than the
inverter can normally handle.
Action: Remove excess load equipment to reduce the output
current.
Meaning: The UPS input frequency is outside of the +/- 1Hz
synchronization frequency tolerance of the inverter output
frequency.
Action: No action is necessary. Unit cannot switch to bypass
mode while the input frequency is out of tolerance with the
output frequency.
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 shutdown the load equipment in an orderly
fashion and then press the key.
Meaning: A start notice is displayed 5 minutes before starting
the UPS when the start timer is set by communication.
Action: None required
Meaning: A stop notice is displayed 5 minutes before stopping
the UPS when the stop timer is set by communication.
Action: None required.
Meaning: When the key lock is set or the timer is set to
start/stop the UPS by data communication, pressing the
or key displays this message.
Action: None required.
AUTO RETRANSFER
ASYNC OPERATION
BATTERY LOW
TIME TO RUN 4 MIN
TIME TO STOP 10 SEC
KEY LOCK:EN
Run
Stop
Stop