Vega FiberFlex LFXG-H, Operating Instructions Manual

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Diagnostics and repair
92 LFXG-H Installation and Operation Guide
7. Remove the appropriate board from the clamshell assembly by
removing the three (3) mounting nuts.
8. Carefully reconnect any ribbon cables.
9. Install the electronics package in the housing.
10. Replace the three (3) mounting nuts.
11. Reconnect the terminal wiring connector.
12. Install the plastic electronics cover.
13. Install the housing cover.
14. Turn on the power to the unit.
15. Connect a HART communicator to the unit and verify that the unit is
operational.
Note: If you change the CPU board, a New Hardware Found
error message appears when you connect with the HART
communicator. In Ohmview 2000, click Diagnostics, New
hardware, New CPU, and click OK for a new backup of
EEPROMS.
Note: If you are changing the CPU board, you must
move the old firmware chip to the new board if
the new board firmware is different.