Kontron TIGW1U, Руководство по эксплуатации продукта, Страница: 80 / 104

TIGW1U server—Troubleshooting
Kontron Carrier Grade Server TIGW1U
Product Guide, rev. 1.3 December 2009
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
Make sure the memory DIMMs have been populated according to the system
requirements.

Remove the memory DIMMs and re-seat them.

Make sure the processor complies with the system requirements.

Remove the processor and re-seat it.
If you are using an add-in video controller board, do the following:
1. Verify that the video works using the onboard video controller.
2. Verify that the video controller board is fully seated in the server board connector.
3. Reboot the system for changes to take effect.
4. If there are still no characters on the screen after you reboot the system and POST
emits a beep code, write down the beep code you hear. This information is useful
for your service representative.
5. If you do not receive a beep code and characters do not appear, the video display
monitor or video controller may have failed. Contact your service representative or
authorized dealer for help.
5.4.3 Characters are Distorted or Incorrect
Check the following:

Are the brightness and contrast controls properly adjusted on the video monitor?
See the manufacturer’s documentation.

Are the video monitor’s signal and power cables properly installed?

Does this video monitor work correctly if plugged into a different system?
5.4.4 System Cooling Fans do not Rotate Properly
If the system cooling fans are not operating properly, it is an indication of possible
system component failure.
Check the following:

Is the power-on light lit? If not, see Section 5.4.1 , “Power Light does not Light” .

Are any other front panel LEDs lit?

Have any of the fan motors stopped? Use the server management subsystem to
check the fan status.

Have your fans speeded up in response to an overheating situation?

Have your fans speeded up in response to a fan that has failed?

Are the fan power connectors properly connected to the server board?

Is the cable from the front panel board connected to the both the front panel board
and to the server board?

Are the power supply cables properly connected to the server board?

Are there any shorted wires caused by pinched-cables or have power connector
plugs been forced into power connector sockets the wrong way?
5.4.5 Cannot Connect to a Server

Make sure the network cable is securely attached to the correct connector at the
system back panel.

Try a different network cable.