Troubleshooting
HP ProLiant BL p-Class System Setup and Installation Guide
C-7
HP CONFIDENTIAL
Writer: Christine Portillo File Name: h-appc Troubleshooting.doc
Codename: ICE Part Number: 230852-002 Last Saved On: 11/20/02 4:59 PM
Table C-5: Are the Server Blade Enclosure DC Input Power LEDs Green?
Answer Possible
Reasons Possible
Solutions
No, one or both
are off.
The server blade enclosure power
backplane cable is disconnected.
The bus bar is damaged and may
need to be replaced.
The server blade enclosure power
backplane is damaged and may
need to be replaced.
Circuit breakers are in the off
position.
Do the following:
1. Set the bus bar circuit breakers to
off or open.
2. Remove the couplers.
3. Inspect the bus bar output cables
and couplers for damage.
4. If no damage is found, be sure the
couplers are connected to the
proper bus and seated properly.
5. Be sure the server blade enclosure
power backplane power cable is
connected properly.
6. Set the circuit breakers to on.
Refer to the
Servers Troubleshooting
Guide
for further options.
If these solutions do not solve the
problem, contact an HP authorized
service provider for replacement parts
and service.
No, one or both
are red.
Polarity is reversed.
Yes
If all the server blade enclosure DC input LEDs are green, the system power is
functioning properly.
Note:
For LED locations and functions, refer to Appendix D, “LEDs and Switches.” For cabling
configurations, refer to Chapter 4, “Cabling and Powering Up the System.”
