8 Troubleshooting
111
Screen is Blank
The information listed in this table is only valid if the boot phase has completed without error. See
“Boot Phase Failures” on page 110 table for a description of the boot phase.
Green LED blinks
(indicating cyclic reboots)
Hardware failure Connect Support Tool directly to monitor
with a crossover cable and start "search for
defective devices".
If no device is detected, proceed as
described above in the section "Green LED
stays on continuously".
Software fault If the Support Tool can detect the device
and it indicates the Operating Mode is
‘Boot’, download and store the status log.
Reload the software and re-clone the
monitor. If this fixes the problem, e-mail the
status log to your local response center.
Hardware failure
If this does not rectify the problem, follow
the instructions under "Green LED stays on
continuously".
No Test Sound issued
or
INOP
Speaker Malfunct
issued
Speaker cable disconnected
Check the speaker connections.
Speaker defective
Check for INOPs and follow the
instructions.
Exchange the speaker.
Main CPU Board defective
Exchange the Main CPU Board.
Symptoms Possible Causes of Failure Failure Isolation and Remedy
Symptoms Possible Causes of Failure Failure Isolation and Remedy
Display is blank or
brightness is reduced
Display Adapter Board cable not connected Check cable connection of the Display
assembly to the Recorder Adapter Board.
Backlight tubes defective Replace the Display assembly.
Back-light inverter defective
Display adapter board defective
LCD flat panel defective
Main CPU Board defective Replace the Main CPU Board.
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