Troubleshooting Tables; Power Supply Module Troubleshooting Table - Hitachi CB 520H B1 Service Manual

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

Step
1
2
3
Table 11-1 Power supply troubleshooting table
Symptom Possible Cause
The Power No power.
LED is off or is
blinking in
amber.
The console
reports AC
failure.
The Power Power supply
LED of one Fault.
power supply
is solid amber.
The console
reports Power
failure.
The Power Damaged
LEDs of all connector.
power supplies
are solid
amber.
The console
reports Power
failure.
Troubleshooting
Hitachi Compute Blade 500 Series System Service Manual
Actions / Verifications
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.
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.
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.
11-3