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G9000 Installation and Operation Manual 81
Note 3
Note 1
Note 2
Code
indication
Status message Meaning Guidance Buzzer
External
relay contact
Failure
lamp
UF301
UPS CONTROL
CIRCUIT ERROR
AD reference has an abnormal value.
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF302
UPS CONTROL
CIRCUIT ERROR
Detection of an external interruption during
the software execution.
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF303
UPS CONTROL
CIRCUIT ERROR
Timer does not reset in the specified period
(WDT settings)
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF305
UPS CONTROL
CIRCUIT ERROR
Detection of an abnormal clock speed in the
DSP or FPGA.
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF306
UPS CONTROL
CIRCUIT ERROR
Control power supply voltage is below the
specified level.
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF309
INVERTER
VOLTAGE
ABNORMAL
Inverter voltage is out of the specified range.
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF310
CONTROL POWER
SUPPLY
ABNORMAL
MMS backup control power supplies exhibit
abnormal condition.
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF320
UPS CONTROL
CIRCUIT ERROR
Cable disconnection in the parallel interface
board during load supply.
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF323
UPS CONTROL
CIRCUIT ERROR
Major communication error during parallel
operation.
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF331
UPS CONTROL
CIRCUIT ERROR
Gate driver abnormal for phase U (Note 4)
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF332
UPS CONTROL
CIRCUIT ERROR
Gate driver abnormal for phase V (Note 4)
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF333
UPS CONTROL
CIRCUIT ERROR
Gate driver abnormal for phase W (Note 4)
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF334
UPS CONTROL
CIRCUIT ERROR
Gate driver abnormal for chopper (Note 4)
CALL SERVICE
ENGINEER
Continuous
sound
Major Lit on
UF352
CONTROL POWER
SUPPLY
ABNORMAL
SMS backup control power supplies exhibit
abnormal.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor Flicker
UF363
UPS CONTROL
CIRCUIT ERROR
Synchronization error signal is being
received for a considerable time.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor Flicker
UF371
UPS CONTROL
CIRCUIT ERROR
Minor communication error during parallel
operation.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor Flicker
UF372
UPS CONTROL
CIRCUIT ERROR
Unable to synchronize the inverter output
and the bypass voltage when the bypass is
normal.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor Flicker
UF374
UPS CONTROL
CIRCUIT ERROR
Cable disconnection in the parallel interface
board.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor Flicker
UF375
UPS CONTROL
CIRCUIT ERROR
Unable to achieve synchronization for
parallel operation.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor Flicker
UF376
UPS CONTROL
CIRCUIT ERROR
No control response from another UPS
although its detection is possible.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor Flicker
UF377
UPS CONTROL
CIRCUIT ERROR
Overload detection signal is being received
continuously for a considerable time.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor Flicker
UF378
UPS CONTROL
CIRCUIT ERROR
No answer for sending synchronizing signal.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor Flicker
UF379
UPS CONTROL
CIRCUIT ERROR
Abnormal clock speed of the parallel control
board processor.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor Flicker