Quick Reference Guide

Diagnostics 181
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 the CMC is
booting; then, reset the
CMC using GUI or
RACADM commands.
Alert screen message CMC
Not Responding
and
LED is solid amber or is
off
LCD front panel stuck in
boot block during a CMC
failover
Disconnect and reconnect
the front panel circuit board
to the I/O panel cable from
front panel. Reset the CMC
using GUI or RACADM
commands.
LED blinks amber or is
blank
The LCD to front panel
circuit board cable is not
connected properly or is
faulty; or the front panel is
faulty
Review the hardware log
using the GUI or RACADM
commands. Look for a
message that states:
Control Panel TFT
Cable: Cable sensor
for Control Panel,
configuration error
was asserted
Replace the front panel.
Screen text is scrambled Defective LCD screen Replace the front panel.
LCD screen message
No
CMC Found
No CMC is present in the
chassis
Insert a CMC into the
chassis or replace existing
CMC if present and
nonfunctional.