Document Ref 941113-001 Rev 2 Page 5-17
Quantium 310 Maintenance Manual Maintenance Procedures - Electronics
5.9 Changing the Comms Board or I/O Extension Board
Before starting the maintenance procedure, please refer to section 2.
Ensure the dispenser is isolated and all power is turned off.
The Comms Board and I/O Extension Board (IEB) are accessed from side A of the calculator
head (see section 2.3 for the identification of the dispenser sides).
Tools required
•Replacement Comms Board or IEB (refer to the Parts Manual for exact part identification)
•Long nose pliers
•Flathead screwdriver
Description of Parts
INSTRUCTIONS
1) Follow the instructions given in section 2.5 to gain access to the calculator head on side A
of the dispenser.
2) REPLACE COMMS BOARD:-
•Locate the Comms Board on the WWC centre plate cover (or
IEB where fitted) on side A of the dispenser.
•Locate the connectors on the Comms Board. Disconnect ALL
connectors on the board by squeezing the clips and carefully
pulling the connector to release.
Note: Take care to note the position of the connector(s) on
the Comms Board.
•Use the long nose pliers to carefully squeeze the plastic pillars
to release the Comms Board.
•Carefully remove the Comms Board.
•Position new Comms Board onto the plastic pillars on the
WWC centre plate cover (or IEB where fitted) using the long
nose pliers.
COMMS
BOARD
IEB
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