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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 flash 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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