User guide

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

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

7. Turn on the power. If problem persists, replace the Multi PCB. (Refer to Section 8.3)

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

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

9.2.11 Communication Time Over

Communication error occurred between the FC386 PCB and Multi PCB. The Multi PCB failed

to respond to the FC386 PCB.

1. Verify that the MACHINE CONFIGURATION Screen matches the physical configuration.

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

between the two (2) boards. This may be of concern if boards have been replaced.

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

4. reinstall the FC386 and Multi PCBs. Ensure that the circuit boards are properly seated.

5. ensure that the Main Unit is not located near any strong electrical or magnetic fields.

6. Check Main Unit input voltage and power cable connection.

7. Turn on the power. If problem persists, replace the Multi PCB. (Refer to Section 8.3)

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

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

Chapter 9: Troubleshooting User Console Version A3.53

Page 9-12