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3. Ensure that there are no active PLC inputs during the POST.

4. Turn on the power. If the problem persists, perform CMOS Setup. (Refer to Section 8.3)

5. If the problem still exists, replace the affected component (hard drive, floppy drive, etc.)

(Refer to Section 8.3)

6. If problem still exists, replace the FC386 PCB. (Refer to Section 8.3)

7. If problem still exists, replace the entire Main Unit. (Refer to Section 8.3)

9.1.4 CRT Failure

<ERROR DESCRIPTION

The CRT display is not displaying anything during and after System initialization.

1. Depress any key on the keypad to ensure that the screen saver is not active.

2. Verify that the CRT power on switch is in the ON position.

3. Verify that the CRT, input power, and Main Unit VGA output connections are correct.

4. If the problem still exists, turn off power. Remove the FC386 PCB, and verify correct

installation of all removable IC chips on the FC386 PCB. Verify that the FC386 PCB

battery is properly installed, and less than three (3) years old.

5. Reinstall the FC386 PCB. Ensure that the circuit board is properly seated.

6. Ensure that there are no active PLC inputs during the POST.

7. Turn on the power. If the problem still exists, perform CMOS Setup and verify the display

type. (Refer to Section 8.3)

8. If problem still exists, replace the CRT.

9. If problem still exists, replace the FC386 PCB. (Refer to Section 8.3)

10. If problem still exists, replace the entire Main Unit. (Refer to Section 8.3)

9.1.5 DOS boot Failure

<ERROR DESCRIPTION

The System did not find the required files necessary to initialize the Disk Operating System

(DOS).

The screen displays : Can't find any system files

Insert a Boot disk in A:

Then press Ctrl/Alt/Del...

The System operates from an RDISK card located on the FC386 board. EPROMs located on

this card contain the System operating files.

1. Turn off the power. Remove the FC386 PCB. Verify correct installation of all removable

IC chips on the FC386 PCB and the associated RDISK daughter board. Verify that the

FC386 PCB battery is properly installed, and less than three (3) years old.

2. Reinstall the FC386 PCB. Ensure that the board is properly seated.

3. Turn on the power. If the problem still exists, replace the FC386 PCB and the associated

RDISK daughter board. (Refer to Section 8.3)

4. If the problem persists, replace the entire Main Unit. (Refer to Section 8.3)

Chapter 9: Troubleshooting User Console Version A3.53

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