Liquid Crystal Display; Figure 2.2 Main Screen - Mitsubishi Electric 9900CX SERIES Owner Technical Manual

2.3 LIQUID CRYSTAL DISPLAY (8)

The Liquid Crystal Display (LCD) touch panel indicates power flow, measured values,
operational guidance, data records and error messages. The LCD panel has a back-light which
facilitates viewing in different ambient lighting conditions. The LCD will automatically clear and
turn off, if the screen is not activated within 3 minute period. The LCD is turned back on when it
is touched again. Every error indicator will be cleared 24 hours after the event and can be
reproduced by pressing any key on the panel.
2.3.1 MENU
A) MAIN MENU (Figure 2.2)
The LCD panel indicates power flow and measured values, while also operating the start/stop
function. The LCD panel also allows the user to verify the status and operation of the UPS
Module.
The following will be displayed when the START/STOP key on the MAIN MENU is pressed
(Jump into OPERATION MENU) :
1) Start/Stop Operation (Figure 2.3)
The display indicates the Start/Stop operation for the UPS system. If this operation is PIN
protected, the user is required to enter the security PIN before the screen can be
accessed.
When in remote mode, the message "REMOTE operating mode" will appear on this
Screen. The user cannot operate the start and stop functions without changing the setup
from remote mode to local mode.
When bypass voltage is abnormal, the message "Bypass voltage abnormal" will appear.
- Start: When the bypass voltage is abnormal, the LCD asks the operator if an interrupted
transfer is acceptable (Load may be lost).
- Stop: When the bypass voltage is abnormal, the user cannot transfer from inverter to
bypass line.
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL

Figure 2.2 Main Screen

MITSUBISHI ELECTRIC 9900CX SERIES UPS
Page Number:
2-3