Lcd Functions; Line-1 System Messages; Line-2 System Fault Messages; Line-3 System Messages - Toshiba 4200FA User Manual

6.9

LCD Functions

The LCD display is a 4-line by 20-character display. The LCD display conveys system
operational information. It should be used in conjunction with the LED display (see Section 6.8)
and the audible alarms (see Section 6.7) for total system monitoring.
Listed below are the types of user-notification messages that are available for each line of the
LCD display screen and a description of each. This message displayed is determined by the
UPS operating mode and conditions. These messages are shown in the following line
message tables.
6.9.1

Line-1 System Messages

Line-1 messages are based on the operating mode. The following table shows all allowable
Line-1 messages, which occur while starting up and while in main monitor (MONI) screen
mode.
- BYPASS OPERATION -
- BATTERY DISCHARGE -
- OUTPUT SHUTDOWN -
- BATTERY BACKUP -
6.9.2

Line-2 System Fault Messages

Line-2 fault messages are automatically displayed when a system fault is detected.
6.9.3

Line-3 System Messages

Line–3 messages show load current information, and user selected instructions.
36
TOSHIBA
LINE-1 MESSAGES
Display Message
- UPS START UP -
- UPS ON-LINE -
LINE-2 MESSAGES
Display Message
DCUV
DCOC
DCUB
DCOV
EERR
OH
OL
IVUV
IVOV
Description
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.
Displayed during Utility abnormality; inverter is
supplying power from batteries. (Unit shuts
down after V is reached.
min.
Displayed during power failure if V
reached, or an EPO is received, or after
completion of Shutdown Sequence of the
Inverter and Bypass is not available.
Displayed during input power failure.
Meaning
DC Under-voltage
DC Over-current
DC Unbalanced
DC Over-voltage
Main EEPROM error
Overheat (internal)
Output Overload
Inverter Under-voltage
Inverter Over-voltage
is
min.
4200FA User's Manual