IBM Z50 - Manual (Page 16)

WorkPad z50 Mobile Companion 1
WorkPad z50 Mobile Companion (2608)
Read This First
Before you go to the checkout guide, be sure to read this
section.
Important
•
Only certified trained personnel should service
the computer.
•
Read FRU service procedures before replacing
any FRUs.
•
Replace FRUs only for the correct model.
When you replace the FRU, make sure the model
of the machine and FRU part number are correct
by referring to the parts list.
•
FRUs should not be replaced because of a
single, unreproducible failure. Single failures
can occur from a variety of reasons that have
nothing to do with a hardware problem, such as
cosmic radiation, electrostatic discharge, or
software errors. FRU replacement should be
considered only when a recurring problem exists.
If this is suspected, clear the log error and run the
test again. Do not replace any FRUs if log errors
do not appear.
•
Be careful not to replace a nondefective FRU.