User guide

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9.3.9 Console Dual Port Abnormal

Multi PCB Dual Port error between the FC386 and Multi PCB.

1. Turn off the power. Remove the FC386 and Multi PCBs, and verify compatibility of

software between the two (2) circuit boards. This may be of concern if a board has been

replaced.

2. Verify correct installation of all removable IC chips on both the FC386 and Multi PCBs.

3. Reinstall the FC386 and Multi PCBs. Ensure that the boards are properly seated.

4. Ensure that the Main Unit is not located near any strong electrical or magnetic fields.

5. Verify the Main Unit input voltage and ensure the power cable is properly connected.

6. Turn on the power. If problem still exists, replace the Multi PCB. (Refer to Section 8.3)

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

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

Chapter 9: Troubleshooting User Console Version A3.53

Page 9-17