HP BladeSystem bc2800 Service Reference Guide: HP BladeSystem PC Blade Enclosu - Page 58

Is the Power LED on Both Power Supplies Solid Green?, CAUTION

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CAUTION: Pressing the enclosure power button while the enclosure is running shuts down the enclosure and all blade PCs. Table 7-2 Is the Power LED on Both Power Supplies Solid Green? Answer Possible Reasons Possible Solutions No, they are both off. The power supply is not connected to AC power or no AC power is available. Be sure that all power cords are connected to the power supplies. Be sure that all power cords are plugged into working, grounded outlets. No, one is green and one is off. One power supply is not connected to AC power or no AC power is available. Be sure that the power cord is connected to the power supply. You still have adequate power, but no redundancy; return to Table 7-1 Enclosure diagnostic steps on page 51. Be sure that the power cord is plugged into a working, grounded outlet. You still have adequate power, but no redundancy; return to Table 7-1 Enclosure diagnostic steps on page 51. No, they are both blinking green. Both power supplies are in standby mode. Press the enclosure power button on the redundant fan cage in the rear of the enclosure. Caution: Pressing the enclosure power button while the enclosure is running shuts down the enclosure and all blade PCs. Be sure that the pins on the power supplies are not damaged. Be sure that the power supplies are fully seated in the power supply bays. No, one is solid green and one is blinking green. One power supply is in standby mode. Be sure that the pins on the power supplies are not damaged. You still have adequate power, but no redundancy; return to Table 7-1 Enclosure diagnostic steps on page 51. Be sure that the power supplies are fully seated in the power supply bays. You still have adequate power, but no redundancy; return to Table 7-1 Enclosure diagnostic steps on page 51. No, the green and amber LEDs on one or both power supplies are blinking like railroad lights. The midplane assembly has failed. Replace the midplane assembly. Turn off the blinking lights by removing and reinstalling the power cord of each power supply with blinking lights. Yes. If both power LEDs are solid green, return to Table 7-1 Enclosure diagnostic steps on page 51. Table 7-3 Is the Fault LED on Both Power Supplies Off? Answer Possible Reasons Possible Solutions 52 Chapter 7 Troubleshooting

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CAUTION:
Pressing the enclosure power button while the enclosure is running shuts down the
enclosure and all blade PCs.
Table 7-2
Is the Power LED on Both Power Supplies Solid Green?
Answer
Possible Reasons
Possible Solutions
No, they are both off.
The power supply is not
connected to AC power or no
AC power is available.
Be sure that all power cords are connected to the power
supplies.
Be sure that all power cords are plugged into working,
grounded outlets.
No, one is green and one is
off.
One power supply is not
connected to AC power or no
AC power is available.
Be sure that the power cord is connected to the power
supply. You still have adequate power, but no
redundancy; return to
Table
7
-
1
Enclosure diagnostic
steps
on page
51
.
Be sure that the power cord is plugged into a working,
grounded outlet. You still have adequate power, but no
redundancy; return to
Table
7
-
1
Enclosure diagnostic
steps
on page
51
.
No, they are both blinking
green.
Both power supplies are in
standby mode.
Press the enclosure power button on the redundant fan
cage in the rear of the enclosure. Caution: Pressing the
enclosure power button while the enclosure is running
shuts down the enclosure and all blade PCs.
Be sure that the pins on the power supplies are not
damaged.
Be sure that the power supplies are fully seated in the
power supply bays.
No, one is solid green and
one is blinking green.
One power supply is in standby
mode.
Be sure that the pins on the power supplies are not
damaged. You still have adequate power, but no
redundancy; return to
Table
7
-
1
Enclosure diagnostic
steps
on page
51
.
Be sure that the power supplies are fully seated in the
power supply bays. You still have adequate power, but no
redundancy; return to
Table
7
-
1
Enclosure diagnostic
steps
on page
51
.
No, the green and amber
LEDs on one or both power
supplies are blinking like
railroad lights.
The midplane assembly has
failed.
Replace the midplane assembly.
Turn off the blinking lights by removing and reinstalling the
power cord of each power supply with blinking lights.
Yes.
If both power LEDs are solid
green, return to
Table
7
-
1
Enclosure diagnostic steps
on page
51
.
Table 7-3
Is the Fault LED on Both Power Supplies Off?
Answer
Possible Reasons
Possible Solutions
52
Chapter 7
Troubleshooting