POST Error Messages
POST Diagnostic Front Panel LEDs and Audible Codes (Continued)
Activity | Beeps | Possible Cause | Recommended Action |
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Red Power LED | 9 | System powers on | Check that the voltage selector, located on |
flashes nine times, |
| but is unable to | the rear of the power supply (some |
once every |
| boot. | models), is set to the appropriate voltage. |
second, followed |
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| Proper voltage setting depends on your |
by a two second |
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| region. |
pause. |
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| Replace the power supply. |
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| Replace the processor. |
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| Replace the system board. |
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Red Power LED | 10 | Bad option card. | Check each option card by removing the |
flashes ten times, |
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| card (one at a time if multiple cards), then |
once every |
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| power on the system to see if fault goes |
second, followed |
|
| away. |
by a two second |
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| Once a bad card is identified, remove and |
pause. |
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| replace the bad option card. |
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| Replace the system board. |
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System does not | None | System unable to | Press and hold the power button for less |
power on and |
| power on. | than 4 seconds. If the hard drive LED turns |
LEDs are not |
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| green, then check that the voltage selector, |
flashing. |
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| located on the rear of the power supply, is |
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| set to the appropriate voltage. Proper |
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| voltage setting depends on your region. |
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| Remove the expansion cards one at a time |
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| until the LED light on the system board |
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| turns on. |
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| Replace the system board. |
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| OR |
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| Press and hold the power button for less |
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| than 4 seconds. If the hard drive LED does |
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| not turn on green then: |
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| Check that the unit is plugged into a |
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| working AC outlet. |
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| Open hood and check that the power |
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| button harness is properly connected to |
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| the system board. |
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| Check that both power supply cables are |
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| properly connected to the system board. |
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| Check to see if the LED light on the system |
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| board is turned on. If it is turned on, then |
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| replace the power button harness. |
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| If the LED light on the system board is not |
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| turned on, then replace the power supply. |
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| Replace the system board. |
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Service Reference Guide, dc7600 |