Step Symptom Possible Cause Actions / Verifications
Action 2
1. Replace the suspected power supply or
module.
2. Reinstall all power supplies and modules
in the original bay.
3. Connect all power cord to the power
supplies, and then power on the server
chassis.
Verification 2
1. If the Power LED lit on green, the
replacing is completed.
2. If the Power LED indicates other than
normal condition, then go to step 4.
4 - • Management
module.
• Backplane.
Action 1
1. See management module troubleshooting
table.
2. Contact with Hitachi Data Systems
technical support. See the Getting help
section in this manual.
Cooling fan module troubleshooting table
Table 11-2 Fan module troubleshooting table
Step Symptom Possible Cause Actions / Verifications
1 • The Active
LED is off or
solid amber.
• The console
reports FAN
failure.
Fan module
Fault.
Action 1
1. Remove the failed fan module.
2. Inspect visually the connector for
damage.
3. Reinstall it to the original bay.
Verification 1
1. If the Active LED lit on green, then
replacing is completed.
2. If the Active LED remained amber,
then go to the following Action 2.
Action 2
1. Remove the failed fan module and
replace it with the spare one.
Verification 2
1. If the Active LED lit on green, then
replacing is completed.
2. If the Active LED remained amber,
then go to step 3.
2 • The Active
LED of one
Fan module
Fault.
Action 1
11-4
Troubleshooting
Hitachi Compute Blade 500 Series System Service Manual