HP RP3 Maintenance & Service Guide HP RP3 Retail System Model 3100 - Page 81
Diagnostic Front Panel LEDs and Audible Codes continued, Table D-2
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Table D-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes nine 9 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. System powers on but is unable to boot. 1. Check that the voltage selector, located on the rear of the power supply (some models), is set to the appropriate voltage. Proper voltage setting depends on your region. 2. Replace the system board. 3. Replace the processor. Red Power LED flashes ten 10 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. 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. 74 Appendix D POST Error Messages