Troubleshooting; Problem Of Powering On - NEC Express5800 Series Maintenance Manual

Chapter 1 Maintenance
5.

Troubleshooting

If this system does not operate as intended, check it according to the contents of the following checklist before
sending it for repair. If an item in the checklist corresponds with a problem you are experiencing, follow the
subsequent check and processing instructions.
If the system still does not operate normally, write down the messages displayed on the screen and then contact
your sales representative.
5.1

Problem of Powering on

[?] Fail to power on the server
Is the server properly supplied with power?

→ Check if the power cord connects to the power outlet (or UPS) that meets the power
specifications for Blade Enclosure.
→ Use the power cord that comes with Blade Enclosure. Additionally, check the power cord for
broken shield or bent plugs.
→ Make sure the power breaker for the connected power outlet is on.
→ If the power cord is plugged to a UPS, make sure the UPS is powered and it outputs power. Refer
to the manual that comes with the UPS for details.
→ Make sure that the CPU blade is installed correctly. The CPU blade BIOS SETUP utility allows
you to set the feature for power link with the UPS.
<Menus to check: AC-LINK in Server menu>
Does Blade Enclosure contain the required number of power units?

→ Refer to User's Guide of Blade Enclosure for the required number of power units.
Has the EM card been initialized?

→ If the EM card is not initialized, the power unit does not supply the power to the CPU blade.
Does Blade Enclosure contain the required number of fans in proper location?

→ Refer to the User's Guide of Blade Enclosure for the required number of fans and their installation
locations.
Have the CPU blade (containing mezzanine card) and switch modules been installed in proper

position?
→ Refer to the User's Guide of Blade Enclosure for proper installation locations.
→ When installed mezzanine card (Type1, Type2) on CPU blade, please be careful about below.
When a right switch module is not mounted on the switch module slot of blade enclosure, an error
message is shown to the SIGMABLADE monitor of blade enclosure.
Error message
SWMn IFmiss Alm
The CPU blade which was mounted on an indicated slot cannot be powered on in that case.
Check connection between the relevant switch module and the CPU blades to make sure the
coincidence of interface.
24
Meaning
Switch module n (n = 1 to 8) interface mismatch
Express5800/B120f Maintenance Guide
5. Troubleshooting