Lcd (Liquid Crystal Display) Functions; Line-1 System Messages; Line-2 System Fault Messages; Line-3 System Messages - Toshiba 4200FA User Manual

5.15

LCD (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.

5.15.1 Line-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.
Display Message
- UPS START UP -
- BYPASS OPERATION -
- UPS ON-LINE -
- BATTERY DISCHARGE -
- OUTPUT SHUTDOWN -
- BATTERY BACKUP -

5.15.2 Line-2 System Fault Messages

Line-2 fault messages are automatically displayed when a system fault is detected.
Display Message
DCOC
DCUB
DCOV
OH
OL
VOUV
VOOV

5.15.3 Line-3 System Messages

Line–3 messages show load current information, and user selected instructions.
TOSHIBA
LINE-1 MESSAGES
Displayed when UPS is in the start-up condition
or display board is resetting.
Displayed when the UPS is in Bypass
Operation.
Displayed when the inverter is running, and no
Utility abnormality exists.
Displayed during abnormal Utility occurrences;
inverter is supplying power from batteries. (UPS
shuts down after V (min.) is reached.
Displayed during power failure if V (min.) is
reached, an EPO is received, or after
completion of Start-Up Sequence of the Inverter
and Bypass is not available.
Displayed during input power failure.
LINE-2 MESSAGES
DC Over-current
DC Unbalanced
DC Over-voltage
Overheat (internal)
Output Overload
Inverter Under-voltage
Inverter Over-voltage
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