Roche Diagnostics May 2009
4 Service Manual · Version 9.0
cobas b 221 system
Intended use
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.
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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.
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For the order numbers of replacement parts, refer to the cobas b 221 system Spare Part
List.
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For an overview of possible revisions and available software versions, see:
Software on page G-5
Service Manual on page G-6
Copyrights
© 2009 Roche Diagnostics GmbH, All rights reserved.
The contents of this document may not be reproduced in any form or communicated
to any third party without the prior written consent of Roche Diagnostics. Every
effort is made to ensure its correctness. Subject to change without notice.
Trademarks
COBAS, COBAS B, LIFE NEEDS ANSWERS, ROCHE OMNI, AUTOQC,
ROCHE MICROSAMPLER, COMBITROL, AUTO-TROL and COBAS BGE LINK
are trademarks of Roche.
Contact address
Manufacturer
Roche Diagnostics GmbH
D-68298 Mannheim / Germany
www.roche.com