Cell Connections
42
Both the counter electrode lead and the working electrode lead have fuses, rated to carry 6.3 A.
Access to the fuses requires removal of two screws on opposite sides of the hood covering the D-connector end
of the Counter/Working cable. A drawing of the D-connector end of a cable with the hood opened is given in
Figure 5-2. The small rectangular fuses snap into fuse-holders labeled Work and Cntr. To remove the fuse,
either grip it with small pliers and gently lift the fuse out of the fuse-holder, or pry the fuse out of the fuse-
holder using a small screwdriver or knife blade.
After a fuse has been removed, check it using an ohmmeter, such as that found on modern digital voltmeters.
Do not trust a visual inspection of the fuse. A blown (open) fuse always should have a resistance of greater than
100 Ω. The resistance of a good fuse is very small.
Figure 5-2
Drawing of Fuse-holder in the D-Connector Hood
Always turn off the Interface 5000 and disconnect both ends of the Counter/Working cable
before checking or replacing the fuses in the cable.
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