7 Repair
7.10 Replacement of PCI Boards in Computer Unit Slots
148 3HNA009834-001 en Rev.06 Product Manual, Control Cabinet IRC5P
3. Identify the card to be replaced.
The barcode sticker contains information on type designation.
4. Disconnect any cables on the card. Note position of connectors to simplify re-
connection.
5. Remove the attachment screw on top of the card bracket.
6. Gently lift the card out, gripping the card around the edges to avoid damaging
the card or its components.
Note: Immediately put the board in an ESD safe bag or similar.
Refitting The procedure describes how to re-install the computer unit power supply.
WARNING! Refitting activities must only be performed when controller is switched
‘off’ and all safety precautions under ‘Removal’ have been read.
1. Fit the card in position by pushing the card into the socket on the mother board.
Secure it with its attachment screw.
2. Connect any additional cables to the card. Reconnect as noted on disassembly.
3. Refit the computer unit cover by connecting fan unit connector, placing cover
in position and installing attachment screws.
4. Refit the computer unit as described in procedure ’Replacement of Computer
Unit’ on page 143.
5. Close controller front door.
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