Troubleshooting Guide

A–16 www.hp.com Troubleshooting Guide
POST Error Messages
Red Power LED
flashes ten times,
once every second,
followed by a two
second pause.
Beeps stop after
fifth iteration but
LEDs continue until
problem is solved.
10 Bad option card. 1. Check each option card by
removing the card (one at a time if
multiple cards), then power on the
system to see if fault goes away.
2. Once a bad card is identified,
remove and replace the bad option
card.
3. Replace the system board.
Diagnostic Front Panel LEDs and Audible Codes (Continued)
Activity Beeps Possible Cause Recommended Action