TOSHIBA

6.11.1LED (Light Emitting Diode) System Status

The following chart shows the UPS system status that can be determined by decoding the "on" and "off" condition of the LED lamps. It should be used in conjunction with the LCD display and the audible alarms for total system monitoring.

 

LED

ON/OFF STATUS

 

 

LED

 

ON/OFF STATUS

 

Normal UPS Operation

 

Output Shutdown

 

(UPS On-Line, no abnormal conditions)

 

(After EPO received (Emergency Power Off ))

 

AC IN

ON

 

AC IN

 

OFF

 

INV

ON

 

INV

 

OFF

 

BYP

OFF

 

BYP

 

OFF

 

BATT

OFF

 

BATT

 

OFF

 

FAULT

OFF

 

FAULT

 

OFF

 

Bypass Operation; UPS Fault

 

 

Fatal Communication Error

 

 

 

(Display to Control Interface)

 

 

 

 

 

 

AC IN

ON

 

AC IN

 

ALL ON OR FLICKERING

 

INV

OFF

 

 

 

BYP

ON

 

INV

 

RAPIDLY

 

BATT

OFF

 

BYP

 

 

 

FAULT

ON

 

BATT

 

 

 

 

 

 

 

FAULT

 

 

 

Battery Back-up; (Battery Voltage Low)

 

 

 

 

 

 

 

 

 

 

 

AC IN

OFF

 

 

 

 

 

INV

ON

 

 

 

 

 

BYP

OFF

 

 

 

 

 

BATT

ON (Blinking)

 

 

 

 

 

FAULT

OFF

 

 

 

 

6.12LCD (Liquid Crystal Display) Functions

The LCD screen is a 4-line by 20-character wide display. The LCD display contains information about the operation of the UPS. It should be used in conjunction with the LED display and the audible alarms for total system monitoring. The LCD displays certain information only on specific lines of the display. The UPS operating mode and conditions determines the information shown. These messages are shown in the following line message charts.

6.12.1Line-1 System Messages

Line-1 messages are based on the operating mode. The following chart shows all allowable Line-1 messages, which occur while starting up and while in main monitor (MONI) screen mode.

LINE-1 MESSAGES

 

Display Message

 

Translation

 

- UPS START UP -

 

Displayed when UPS is in the start-up condition

 

 

or display board is resetting.

 

 

 

 

- BYPASS OPERATION -

 

Displayed when the UPS is in Bypass

 

 

Operation.

 

 

 

 

- UPS ON-LINE -

 

Displayed when the inverter is running, and no

 

 

abnormality exists.

 

 

 

 

 

 

Displayed during abnormal Utility occurrences;

 

- BATTERY DISCHARGE -

 

inverter is supplying power from batteries. (UPS

 

 

 

shuts down after V (min.) is reached.

 

 

 

Displayed during power failure if V (min.) is

 

- OUTPUT SHUTDOWN -

 

reached, an EPO is received, or after

 

 

completion of Shutdown Sequence of the

 

 

 

 

 

 

Inverter and Bypass is not available.

 

- BATTERY BACKUP -

 

Displayed during input power failure.

4200FA CT/XT User’s Manual

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Toshiba 4200FA CT/XT LED Light Emitting Diode System Status, LCD Liquid Crystal Display Functions, Line-1 System Messages

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