4200FA XT 80kVA Installation and Operation Manual
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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.
LINE-1 MESSAGES
Display Message
Description
- 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.
- BATTERY DISCHARGE -
Displayed during Utility abnormality; inverter is
supplying power from batteries. (Unit shuts
down after V
min.
is reached.
- OUTPUT SHUTDOWN -
Displayed during power failure if V
min.
is
reached, or 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.
6.9.2
Line-2 System Fault Messages
Line-2 fault messages are automatically displayed when a system fault is detected.
LINE-2 MESSAGES
Display Message
Meaning
DCUV
DC Under-voltage
DCOC
DC Over-current
DCUB
DC Unbalanced
DCOV
DC Over-voltage
EERR
Main EEPROM error
OH
Overheat (internal)
OL
Output Overload
IVUV
Inverter Under-voltage
IVOV
Inverter Over-voltage
6.9.3
Line-3 System Messages
Line–3 messages show load current information, and user selected instructions.
