Roche Diagnostics
C-20 Operator’s Manual · Version 3.1
8 General maintenance Cedex Bio System
Maintenance actions
6
Replace the water inlet filter.
o Remove the retaining ring by pulling it by its tab away from the filter casing
(A, D, E).
o Remove the filter (B) and replace it with a new one.
o Place the retaining ring.
Press it firmly on the filter casing by placing your thumb across it an applying
equal pressure all around.
7
Reinsert the tubing adapter into the water container. Press down firmly.
8
Press .
The maintenance action Prime Fluid System is automatically performed.
A message will inform you when the maintenance action is complete.
9
Press .
A Removing the retaining ring
B Filter
C Filter casing
D Retaining ring
E Tab on retaining ring
Figure C-2
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