Appendix B. Maintenance
This appendix describes the routine maintenance you should perform to keep your 8265 working at its
best. This appendix also provides instructions for replacing defective power supplies and fan units. The
following maintenance procedures are discussed:
Routine Maintenance
Replacing a Defective Power Supply
Replacing a Defective Fan Unit
Replacing a Defective Controller module.
Note: There are no user-serviceable parts on either the load-sharing power supplies or the fan units. If
these components fail, remove them as described in this Appendix and return them to your
supplier. Keep replacement power supply units and fan units at your site so they are available if
needed.
Copyright IBM Corp. 1994, 1998
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