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4400 Series Installation and Operation Manual – 64527-008
4400 System Status Messages
Display Meaning Action
EE1ST EEPROM is loaded with default
values.
No action needed.
EPO EPO circuit is active. Reset EPO switch to start.
EQCHRG Equalized Charging No action needed.
FLT A fault has occurred. See Fault records.
FRCDBYP UPS forced into bypass mode. Secure the load and contact the nearest Toshiba
authorized representative for service.
FWUPD Firmware updated. No action needed.
INVSTUP UPS starts up in inverter mode
(skips bypass)
No action needed.
INV Inverter mode. Inverter is running (it can be On-Line, Battery Test, or
Backup)
LANSD UPS goes to Shutdown triggered
from LAN SD (shutdown) circuit.
Deactivate LAN shutdown signal to reset.
LB Low Battery – The battery volt-
age has dropped low (about 90%
or less) during operation. Con-
tinued operation in this mode will
deplete battery and cause output
shut down. (This can be adjusted
by the operator
Immediately shut down the load equipment in an
orderly fashion and then press the STOP key.
LCRUN Local run command issued. No action needed.
MANUAL UPS is in Manual mode No action needed.
OUT50HZ UPS set for 50 Hz Output. No action needed.
PFAIL Input power failure. No action needed.
PRCHRG Protective charging No action needed.
RMRUN Remote Run command issued. No action needed.
RMTSD Remote shutdown occurred. One or more warnings occurred. Check the Warnings
eld for details. Disconnect LAN signal to reset.
RMTSWEN Remote switch control enable. No action needed.
SYN Synchronous mode. Input and output are synchronized.
TIMEDSD UPS is counting down prior to
shutdown.
Immediately shut down the load equipment in an
orderly fashion and then press the STOP key.
WRN A warning has occurred. See Warning record.
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