Troubleshooting the System
The following table lists recommended actions for problems that can occur. To solve problems that are not
listed in this table or in another section of this chapter, contact your HPE or other approved service
provider.
Problem Description
Recommended Action
The system will not power on.
Ensure that the power cord of the cabinet is seated
properly in the power receptacle.
Did you push the power button on the “head node”
compute node as well as the “compute node”
trays?
If the power cord is plugged in and all the power
switches are on, contact your support organization.
An individual compute/memory tray will not power
on.
View the LED outputs on the rear of the nodes.
Ensure that the unit is plugged in and switched on
If the LEDs are not lit, contact your support
provider.
The system will not boot the operating system.
Contact your support provider.
An individual populated PCI slot in a tray will not
power on.
Reseat the PCI card, reboot the tray, and recheck.
The Post Error LED of a populated PCI slot is
illuminated (on).
Reseat the PCI card. If the fault LED remains on,
replace the PCI card.
Individual Tray LEDs and Buttons
Each server tray installed in an Apollo 480 Cluster cabinet has LED indicators (upper left of the following
figure) to show the operational status of the tray.
Figure 6: Apollo 480 LED Diagram
The status LEDs are on the right rear section of the tray and are visible when the rear door of the cabinet
is open. The table following describes the tray status LEDs from right to left.
12
System Operation and Troubleshooting
