Owner's Manual

Diagnostics 465
Table 13-2. LCD Hardware Trouble Shooting Items
Symptom Issue Recovery Action
Alert screen message
CMC
Not Responding
and
LED is blinking amber.
Loss of communication
from CMC to the LCD
front panel.
Check that CMC is booting;
then, reset CMC using GUI
or RACADM commands.
Alert screen message CMC
Not Responding
and
LED is solid amber or is
off.
LCD module
communications is stuck
during a CMC fail-over or
reboots.
Review the hardware log
using the GUI or RACADM
commands. Look for a
message that states: Can
not communicate with
LCD controller.
Reseat the LCD module
ribbon cable.
Screen text is scrambled. Defective LCD screen. Replace the LCD module.
LED and LCD is off. The LCD cable is not
connected properly or is
faulty; or the LCD
module is faulty.
Review the hardware log
using the GUI or RACADM
commands. Look for a
message that states:
• The LCD module cable
is not connected, or
is improperly
connected.
• The control panel
cable is not
connected, or is
improperly
connected
.
Reseat cables.
LCD screen message No
CMC Found.
No CMC is present in the
chassis.
Insert a CMC into the
chassis or reseat existing
CMC if present.