HP ProLiant Gen8 Troubleshooting Guide Volume I: Troubleshooting

Diagnostic flowcharts 34
• The server blade is not configured to automatically power on in HP iLO.
• The power being supplied is not sufficient for the server blades installed in the enclosure.
• The power cap is not configured properly for the enclosure.
• The OA module is not properly installed in the enclosure.
• A possible communication failure between HP iLO and the OA is causing the server blade to wait for
permission to power on.
• The server blade has a mismatched fabric installed on the mezzanine 1 connector or the mezzanine 2
connector.
On Intel-based HP ProLiant Gen8 server blades, the health status LED bar flashes red in a repeating pattern
when certain errors occur. In the Server blade power-on problems flowchart for HP ProLiant Gen8 Intel Server
Blades, the patterns are abbreviated as follows:
• Long – Short – Short – Off (LSS)
• Long – Short – Long – Off (LSL)
• Short – Long – Short – Off (SLS)
• Short – Short – Long – Off (SSL)