10
Replacing the I/O Card
1. Remove the meter’s cover and shield by following the steps outlined in
“Accessing the Socket Meter’s PC Boards” on page 7.
2. Remove display board and expose the I/O card.
3. Disconnect all wire plugs at the front end of the I/O card by lifting locking
tabs with a fine point tool. Slide card out.
4. Insert new I/O card and connect wires in their corresponding sockets.
5. Re-insert the display board.
6. Re-place the cover with the four side screws (taking care not to pinch any
of the wiring) and connect the ground wire.
7. Re-insert the shield with its two screws.
8. Re-insert the cover by aligning the rim slots and press down, twisting
clockwise. Secure with new base seal provided.