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4400 Series Installation and Operation Manual – 64527-008
System Fault Messages
Display Meaning Action
PHIRER AC INPUT PHASE ROTATION ERROR Input phase rotation is reversed. Contact nearest Toshiba Authorized service
representative.
PWRERR CONTROL POWER SUPPLY ABNORMAL Contact nearest Toshiba Authorized service representative.
VOUV OUTPUT UNDERVOLTAGE Contact nearest Toshiba Authorized service representative.
12.22 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 con-
dition.
TABLE 12.5: SYSTEM WARNING MESSAGES
System Warning Messages
Display Meaning Action
ASYN Output and Input do not match Contact nearest Toshiba Authorized service representative
BCO Battery Contact is Open Check battery connection. If connection is OK and warning is still
present contact nearest Toshiba Authorized service representative
BBO/BOH Battery breaker open/BATTERY OVER-
TEMPERATURE
Close battery breaker. If warning persists. Contact nearest Toshiba
Authorized service representative
BOH2HR (BATTERY OVERTEMP.). It has persisted
for more than 2 hours
Contact nearest Toshiba Authorized service representative
BTABNL BATTERY VOLTAGE
ABNORMAL
Contact nearest Toshiba Authorized service representative
BTBKON BATTERY VOLTAGE
ABNORMAL.
Battery Breaker On. Battery voltage exceeded. Contact nearest
Toshiba Authorized service representative
BTFAIL BATTERY ABNORMAL Battery Test Failed. Contact nearest Toshiba Authorized service
representative
BYPPCB UPS CONTROL CIRCUIT
ERROR
Contact nearest Toshiba Authorized service representative
CL INVERTER CURRENT LIMIT Current not within specs. Contact nearest Toshiba Authorized ser-
vice representative
CVABL BATTERY VOLTAGE
ABNORMAL
Contact nearest Toshiba Authorized service representative
DCHWRN DISCHARGE WARNING DC Bus is still charged. Do not open the UPS
FBYER BYPASS FREQUENCY OUT OF RANGE Contact nearest Toshiba Authorized service representative
FIERR/PFAIL AC INPUT FREQUENCY OUT OF RANGE Contact nearest Toshiba Authorized service representative
FNABNL COOLING FAN ABNORMAL Contact nearest Toshiba Authorized service representative
INVOL INVERTER OVERLOAD Shutdown excess load equipment.
INVSPY UPS CONTROL CIRCUIT ERROR Contact nearest Toshiba Authorized service representative
INVWRN UPS CONTROL CIRCUIT ERROR Contact nearest Toshiba Authorized service representative
LBABNL LOCAL BUTTON ABNORMAL Contact/Buttons are latched into one state for longer time than ex-
pected. Contact nearest Toshiba Authorized service representative
OCWRN INVERTER OVERLOAD Reduce load immediately
OOL OVERLOAD Shutdown down excess equipment to reduce load.
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