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Troubleshooting > Startup System Failure Diagnosis > Startup Failure Analysis Policy
Troubleshooting > Startup System Failure Diagnosis > Startup Failure Analysis Policy
Startup Failure Analysis Policy
Startup Failure Analysis Policy describes troubleshooting related to "Execution Flow for
Control Panel Startup Failure" for the Low-voltage Power Supply (3.3V, 12V) and AC driver
PCB.
If the host machine does not start successfully even when its Power Switch is turned ON,
identify the location of the failure by referencing the following diagram.
Select the appropriate failure location identification procedure based on the display status
of the Control Panel.
Preconditions
If the following two parts are not operating with the main power turned ON, it is likely that a
failure has occurred.
• Control Panel Main Power LED (Low-voltage Power Supply 3.3V system)
• Rotation noise of the motor at warm-up rotation and activation of the Control Panel
Backlight (12V system)
Not lit
Solid black
The logo is displayed
Only the bar is displayed
Power-On
Display of E-code
Countermeasures related to system software
- Reinstall the system.
- Replace the
SATA-Flash
.
Refer to the error code
correspondence table
for countermeasures
"NG" is displayed
as a result in the startup system
failure diagnosis
Yes
No
Flow A:
Execution Flow for Control Panel Startup Failure
Procedure A:
Detailed Procedure
of Startup System
Failure Diagnosis
Flow A:
Execution Flow for Control Panel Startup Failure
Lit
EXXX-XXXX
Interchange of the DIMMs
F-6-126
Memo
• The DIMMs may have failed if symptoms change when the host machine is restarted after
completing "interchange of the DIMMs" on the Main Controller 1
• It may take about 5 minutes or more to display E XXX-XXXX.