Note 3

 

 

 

 

Note 1

Note 2

Code

Status message

Meaning

Guidance

Buzzer

External

Failure

indication

relay contact

lamp

 

 

 

 

UA824

CB2 OPEN

The battery circuit breaker (CB2) is open.

TURN ON CB2

Intermittent

Alarm

sound

 

 

 

 

 

 

UA827

52C OPEN

The interlock for the inverter output contactor

Intermittent

Alarm

PROHIBITED

(52C) is active.

sound

 

 

 

 

UA831

EMERGENCY

Emergency bypass switch has been turned

Intermittent

Alarm

BYPASS SWITCH ON

on.

sound

 

 

 

 

UA833

52L OPEN

The load circuit breaker(52L) is turned off.

Intermittent

Alarm

sound

 

 

 

 

 

 

 

BATTERY

The battery voltage has reached the

 

 

Major

 

UA834

DEPLETED/AC OUT

End-of-

Lit on

depleted level.

 

STOPPED

 

 

Discharge

 

 

 

 

 

 

 

TRANSFER

The UPS could not transfer to the bypass

 

 

 

 

UA835

because the bypass source has an

Alarm

PROHIBITED

 

abnormality.

 

 

 

 

 

 

 

 

 

 

UA860

REMOTE BUTTON

Remote start or stop signal is being received

Intermittent

Alarm

ABNORMAL

continuously for a considerable time.

sound

 

 

 

 

UA861

LOCAL BUTTON

Local start or stop signal is being received

Intermittent

Alarm

ABNORMAL

continuously for a considerable time.

sound

 

 

 

 

 

 

 

 

 

 

 

UA870

BALANCER

The UPS detected a neutral point voltage

Intermittent

Alarm

OVERLOAD

unbalance.

sound

Overload

 

 

 

UA890

EXTERNAL ALARM

External Alarm relay turned on.

Intermittent

Alarm

sound

 

 

 

 

 

 

UF001

INPUT CIRCUIT

The MMS input reference error signal

CALL SERVICE

Continuous

Major

Lit on

ABNORMAL

exceeds specifications.

ENGINEER

sound

 

 

 

UF002

CONVERTER

Detection of MMS converter overcurrent.

CALL SERVICE

Continuous

Major

Lit on

OVERCURRENT

ENGINEER

sound

 

 

 

 

UF003

CONVERTER

Pre-charging circuit is not working properly.

CALL SERVICE

Continuous

Major

Lit on

ABNORMAL

ENGINEER

sound

 

 

 

 

UF011

CB1 ABNORMAL

Major discrepancy between reference signal

CALL SERVICE

Continuous

Major

Lit on

and actual state of contactor CB1.

ENGINEER

sound

 

 

 

 

UF052

CB1 ABNORMAL

Minor discrepancy between reference signal

CALL SERVICE

Intermittent

Minor

Flicker

and actual state of contactor CB1.

ENGINEER

sound

 

 

 

 

UF056

CONVERTER

Detection of SMS converter overcurrent.

CALL SERVICE

Intermittent

Minor

Flicker

OVERCURRENT

ENGINEER

sound

 

 

 

 

UF059

INPUT CIRCUIT

The SMS input reference error signal

CALL SERVICE

Intermittent

Minor

Flicker

ABNORMAL

exceeds specifications.

ENGINEER

sound

 

 

 

UF102

DC OVERVOLTAGE

DC voltage surpasses the overvoltage level.

CALL SERVICE

Continuous

Major

Lit on

ENGINEER

sound

 

 

 

 

 

UF103

DC UNDERVOLTAGE

DC voltage dropped below the undervoltage

CALL SERVICE

Continuous

Major

Lit on

level.

ENGINEER

sound

 

 

 

 

UF108

CHOPPER

Detection of DC overcurrent from backup

CALL SERVICE

Continuous

Major

Lit on

OVERCURRENT

battery.

ENGINEER

sound

 

 

 

78

G9000 Installation and Operation Manual

Page 88
Image 88
Toshiba G9000 operation manual CB2 Open