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Home > Maintenance > Troubleshooting > System troubleshooting

System troubleshooting

This topic provides information you can use to troubleshoot problems with the system, including:


Note: If the system is not sending calls to a remote service center, see Resetting alarm origination to restore this service.

 

Keyboard is not operating

Possible cause

Action

Probable fix

The keyboard is not plugged in properly.

Check the keyboard connection.

Disconnect and reconnect the keyboard.

The keyboard is "frozen."

Check the keyboard connection.

Reboot the system.

The keyboard is not working.

Test the keyboard with another monitor.

Replace the keyboard if it is proven faulty.

Monitor is not operating

Possible cause

Action

Probable fix

The monitor does not show the correct system.

Verify that the KVM switch for the monitor is set to the system you are trying to view.

Adjust the KVM switch so that the monitor shows the correct system. This procedure varies according to the type of KVM switch installed.

The monitor has not been turned on.

Check the monitor power switch.

Turn on the monitor.

The monitor brightness has been turned down.

Check the monitor brightness knob.

Turn up the brightness.

The monitor has not been correctly installed.

1. Verify that the monitor power cord is plugged into a working AC outlet.

2. Verify that the monitor cabling is correct.

1. Plug the AC power cord into a working outlet.

2. Correct the monitor cabling connections. See Chapter 2 of the Installation guide (pdf).

The keyboard is not working.

See Keyboard is not operating.

Repair or replace the keyboard.

The monitor is not working.

1. Test the monitor with another system.

2. The video card or controller on the motherboard might have failed.

1. Replace the monitor if it is proven faulty.

2. Replace the faulty video card. See Replacing system components.

Network connection is not working

Possible cause

Action

Probable fix

The physical connection is faulty.

Verify the corporate and private LAN cabling, including connections to the Ethernet switch.

1. Reseat and correctly connect the Ethernet cables to each server, both LANs, and the Ethernet switch. See Chapter 2 of the Installation guide (pdf).

2. Replace the network cable.

The network administration is not correct.

Verify the server networking administration.

See Chapter 3 (for an MSS) or Chapter 4 (for an MAS) of the Installation guide (pdf).

Serial modem does not answer

Possible cause

Action

Probable fix

The modem has no power.

Check the power source.

Apply power to the modem.

The modem is not connected.

Verify that the modem is connected properly.

Connect the modem correctly. See Chapter 2 of the Installation guide (pdf).

  • For an external modem, check all cables.
  • For an RMB, verify that the RMB-to-COM2 cable is connected to the MSS, as well as the analog line.

Server power light is off

Possible cause

Action

Probable fix

There is no power to the server.

1. Press the power button on the front of the server.

2. Verify that the rocker switch to all installed power supplies is on (set to |) at the back of the server.

3. Verify that the AC power cord is plugged in.

Apply power to the server.

 

If you plugged in a power cord or turned a power supply rocker switch on, press the power button on the front of the server again.

The power source is faulty.

Check if other components plugged into the same power outlet as the server operate correctly.

Repair or replace the power source as required.

 

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