G9000 Installation and Operation Manual
55
Note 3
Note 1
Note 2
Code
indication
Status message
Meaning
Guidance
Buzzer
External
relay
contact
Failure
lamp
UA824
CB2 OPEN
The battery circuit breaker (CB2) is open. TURN ON CB2
Intermittent
sound
Alarm
UA827
52C OPEN
PROHIBITED
The interlock for the inverter output
contactor (52C) is active.
Intermittent
sound
Alarm
UA831
EMERGENCY
BYPASS SWITCH
ON
Emergency bypass switch has been
turned on.
Intermittent
sound
Alarm
UA833
52L OPEN
The load circuit breaker(52L) is turned off.
Intermittent
sound
Alarm
UA834
BATTERY
DEPLETED/AC OUT
STOPPED
The battery voltage has reached the
depleted level.
Major
End-of-
Discharge
Lit on
UA835
TRANSFER
PROHIBITED
The UPS could not transfer to the bypass
because the bypass source has an
abnormality.
Alarm
UA860
REMOTE BUTTON
ABNORMAL
Remote start or stop signal is being
received continuously for a considerable
time.
Intermittent
sound
Alarm
UA861
LOCAL BUTTON
ABNORMAL
Local start or stop signal is being received
continuously for a considerable time.
Intermittent
sound
Alarm
UA870
BALANCER
OVERLOAD
The UPS detected a neutral point voltage
unbalance.
Intermittent
sound
Alarm
Overload
UA890
EXTERNAL ALARM
External Alarm relay turned on.
Intermittent
sound
Alarm
UF001
INPUT CIRCUIT
ABNORMAL
The MMS input reference error signal
exceeds specifications.
CALL SERVICE
ENGINEER
Continuous
sound
Major
Lit on
UF002
CONVERTER
OVERCURRENT
Detection of MMS converter overcurrent.
CALL SERVICE
ENGINEER
Continuous
sound
Major
Lit on
UF003
CONVERTER
ABNORMAL
Pre-charging circuit is not working
properly.
CALL SERVICE
ENGINEER
Continuous
sound
Major
Lit on
UF011
CB1 ABNORMAL
Major discrepancy between reference
signal and actual state of contactor CB1.
CALL SERVICE
ENGINEER
Continuous
sound
Major
Lit on
UF052
CB1 ABNORMAL
Minor discrepancy between reference
signal and actual state of contactor CB1.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor
Flicker
UF056
CONVERTER
OVERCURRENT
Detection of SMS converter overcurrent.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor
Flicker
UF059
INPUT CIRCUIT
ABNORMAL
The SMS input reference error signal
exceeds specifications.
CALL SERVICE
ENGINEER
Intermittent
sound
Minor
Flicker
UF102
DC OVERVOLTAGE
DC voltage surpasses the overvoltage
level.
CALL SERVICE
ENGINEER
Continuous
sound
Major
Lit on
UF103
DC
UNDERVOLTAGE
DC voltage dropped below the
undervoltage level.
CALL SERVICE
ENGINEER
Continuous
sound
Major
Lit on
UF108
CHOPPER
OVERCURRENT
Detection of DC overcurrent from backup
battery.
CALL SERVICE
ENGINEER
Continuous
sound
Major
Lit on
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