Intermittent Problems

Intermittent Problems

Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electronic discharge, or software errors.
FRU replacement should be considered only when a recurring problem exists.

When analyzing an intermittent problem, do the following:

1.  Run the advanced diagnostic test for the planar board in loop mode at least 10 times.
2.  If no error is detected, do not replace any FRUs.
3.  If any error is detected, replace the FRU shown by the FRU code..  Rerun the test to verify that no more errors exist.