Hitachi CB 520H B1 Service Manual page 461

Step Symptom Possible Cause
3. The Status Temperature
LED is problem
blinking in
red.
4 - Switch module.
Hitachi Compute Blade 500 Series System Service Manual
1 If the Power LED of the suspected switch
.
module lights in green after blink, the
repair is completed.
2 If the suspected switch module has
.
damaged connector, then go to step 4.
3 If the Power LED remains off, go to Action
.
2.
Action 2
1 Remove the suspected switch module and
.
replace it with the spare one.
Verification 2
1 If the Power LED lights in green after blink,
.
the repair is completed.
2 If the Power LED remains off, go to step 4.
.
Action 1
1 Inspect the fan modules are running
.
normally.
2 Inspect if the dust clogged the air vents.
.
Verification 1
1 If the fan module is not running normally,
.
replace it.
2 Clean up the air vents.
.
3 If the Status LED is off, replacing is
.
completed.
4 If the symptom still exists, then go to
.
Action 2.
Action 2
1 Verify the ambient temperature in the
.
environment is over 40 deg C.
Verification 2
1 Notify the system administrator of this
.
issue to cool down.
2 If the Status LED is off, replacing is
.
completed.
3 If the symptom still exists, then go to
.
Action 3.
Action 3
1 Remove the suspected switch module and
.
replace it with the spare one.
Verification 3
1 If the Status LED is off, replacing is
.
completed.
2 If the symptom still exists, then go to step
.
4.
Action 1
Troubleshooting
Actions / Verifications
11-11