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Maintenance and Troubleshooting
Replacing the FOUNDATION
Fieldbus Electronics
Boards
The Model 8800C Flowmeter FOUNDATION fieldbus electronics boards
may need to be replaced if they have been damaged or otherwise
become dysfunctional. Use the following procedures to replace
electronics boards in the Model 8800C Flowmeter. You will need a
small, flat-head screwdriver and a pliers.
NOTE
The electronics boards are electrostatically sensitive. Be sure to observe
handling precautions for static-sensitive components.
Remove the Electronics Boards
1. Turn off the electric power to the Model 8800C Flowmeter.
2. Unscrew and remove the electronics board compartment cover.
(Unscrew and remove the LCD cover if you have the LCD option.)
Figure 6-7. Electronics Board
Assembly.
3. If the meter has the LCD indicator option, loosen the two screws.
Remove the LCD and the connector from the electronics board.
4. Use a pliers to carefully remove the sensor cable clip from the
electronics.
5. Loosen the three captive screws that anchor the electronics.
6. Use the two screw heads on the right- and left-hand sides of the
board to slowly pull the electronics boards out of the housing.
See “Safety Messages” on page 6-1 for complete warning information.
8800-0000B01B
Electronics Boards