20
LC Plus user manual
RGB overall status LED
One overall status RGB LED on the left of the display panel gives at-a-glance indication of panel status. This
LED indicates the following states:
Red status LEDs
Four small red status LEDs located around the display panel indicate the following states:
Panels communicate with each other to determine which devices are connected on the P3 link, so the ‘P3
command receive’ LED (middle left) can indicate that the panel is receiving commands another panel as
well as from a P3 system controller.
Panel address and status messages in the display panel
The following information appears in sequence in the display panel at start-up:
The boot process generally takes approximately 4 seconds. When it is completed, the panel displays its
address. It will continue to display its address permanently unless the control menus are activated.
Color
Output
Indication
Action required
Blue
Constant
Busy (e.g. booting up or writing to
flash memory)
Wait a moment for normal operation
to be resumed
Red
Constant
Error. The panel has encountered a
fatal error and can not run.
Perform a factory reboot, followed by
a firmware upload
Red
Flashing
Disconnected. A system controller
could not be found
Connect a system controller to the
network
Green
Flashing
Ready. A system controller is present
on the network
Configure the system controller to
use this panel
Green
Constant
Running. A system controller is using
this panel
None
Table 2: RGB status LED
Marking
Location
Indication
ETHER 1
Top left
Ethernet port 1 link (flashes during activity)
ACTIVE
Middle left
Receiving P3 commands
ETHER 2
Bottom left
Ethernet port 2 link (flashes during activity)
MENUS
Bottom right
Control menu system active
Table 3: Red status LEDs
Display
Indication
Boot
Controller hardware is booting (displayed
briefly, so may not even be seen)
rSEt
Panel firmware is resetting
2140
Panel model number (either 2140 or 1140)
PLUS
Identifies panel as LC Plus.
Table 4: Start-up display messages
