System cooling fans do not rotate properly, Cannot connect to a server, Diagnostics pass but the connection fails – Kontron CG2100 Carrier Grade Server User Manual
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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:
1 Is the power-on light lit? If not, see
Section 7.4.1
,
“Power Light does not
Light”
.
1 Are any other front panel LEDs lit?
1 Have any of the fan motors stopped? Use the server management subsystem to
check the fan status.
1 Have the fans sped up in response to an overheating situation?
1 Have the fans sped up in response to a fan that has failed?
1 Are the fan power connectors properly connected to the front panel (FP) board?
1 Is the cable from the front panel board connected to the both the front panel
board and to the server board?
1 Are the power supply cables properly connected to the FP board?
1 Are there any shorted wires caused by pinched-cables or have power connector
plugs been forced into power connector sockets the wrong way?
Cannot Connect to a Server
1 Make sure the network cable is securely attached to the correct connector at
the system back panel.
1 Try a different network cable.
1 Make sure you are using the correct and the current drivers. Go to
for a link to the
drivers.
1 Make sure the driver is loaded and the protocols are bound.
1 Make sure the hub port is configured for the same duplex mode as the network
controller.
1 Make sure the correct networking software is installed.
1 If you are directly connecting two servers (without a hub), you will need a
crossover cable.
Diagnostics Pass but the Connection Fails
1 Make sure the network cable is securely attached.
1
Make sure you specify the correct frame type in your NET.CFG file.
The Controller Stopped Working When an Add-in Adapter was
Installed
1 Make sure the cable is connected to the port from the onboard network
controller.
1 Make sure your BIOS is current. Go to
for a link to the
current version.
1 Try reseating the add-in adapter.
The Add-in Adapter Stopped Working without Apparent Cause
1 Try reseating the adapter first; then try a different slot if necessary.
1 The network driver files may be corrupt or deleted. Delete and then reinstall
the drivers.
1 Run the diagnostics.