Users Guide

Figure 12. Removing and Installing LCD Module
1
cable cover 2 LCD module
3 ribbon cable 4 hinges (2)
5 screws (2)
Table 46. LCD Hardware Troubleshooting 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.
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