Troubleshooting tables
The following tables list common problems and their solutions. Detailed
solutions are described in this chapter. The solutions include flowcharts and
other instructions to assist you in solving these problems.
Power supply module troubleshooting table
Table 11-1 Power supply troubleshooting table
Step Symptom Possible Cause Actions / Verifications
1 The Power
LED is off or is
blinking in
amber.
The console
reports AC
failure.
No power. Action 1
1. Verify that the power cord is connected
properly to the failed power supply and to
the AC source.
Verification 1
1. If the Power LED lit on green after the
troubleshooting, then the replacing is
complete.
2. If the Power LED indicates other than
normal condition, then go to the following
Action 2.
Action 2
1. Remove the failed power supply, and
replace it with spare one.
Verification 2
1. If the Power LED lit on green, then go to
step 4.
2 The Power
LED of one
power supply
is solid amber.
The console
reports Power
failure.
Power supply
Fault.
Action 1
1. Remove the failed power supply module
and replace it to spare one.
Verification 1
1. If the Power LED lit on green, then the
replacing is completed.
2. If the Power LED indicates other than
normal condition, then go to step 4.
3 The Power
LEDs of all
power supplies
are solid
amber.
The console
reports Power
failure.
Damaged
connector.
Action 1
1. Disconnect all power cords
2. Remove all power supplies and modules
installed in the server chassis, and check
all the connectors for damage.
Verification 1
1. If any power supplies or modules have
damaged connector, then go to the
following Action 2.
2. If the backplane has damaged
connectors, then go to step 4.
3. If all power supplies and modules did not
have damaged connector, then step 4.
Troubleshooting
11-3
Hitachi Compute Blade 500 Series System Service Manual
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