Roche Diagnostics May 2009
Service Manual · Version 9.0 7
cobas b 221 system
Preface
This manual contains all of the information required for the maintenance and repair
of the cobas b 221 system.
The user must be familiar with the function and operation of the instrument to fully
understand the processes described here.
e
For more information about cobas b 221 system instructions, refer to:
cobas b 221 system Instructions for Use
cobas b 221 system Reference Manual
Observe the service and repair procedures described in this manual and use only
genuine Roche replacement parts and Roche-approved materials to guarantee the full
functionality of the cobas b 221 system.
e
For the order numbers of replacement parts, refer to the cobas b 221 system Spare Part
List.
e
For an overview of possible revisions and available software versions, see:
Software on page G-5
Service Manual on page G-6
How to Use This Manual
To help finding information quickly, there is a table of contents at the beginning of
the book and each chapter. In addition, a complete index can be found at the end.
Where to Find Information
In addition to the Service Manual, the following documents are also provided to assist
in finding desired information quickly:
o cobas b 221 system Instructions for Use
o cobas b 221 system Operator’s CD
o cobas b 221 system Reference Manual
o cobas b 221 system Short Instruction
o cobas b 221 system Service Manual (PDF or iSDoc version in GRIPS)
o cobas b 221 system Spare Part List (PDF or iSDoc version in GRIPS)
o
Keep this manual in a safe place to ensure that it is not damaged and remains available for use.
o
This Service Manual should be easily accessible at all times.
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