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1.4 Troubleshooting Methodology 19
Be sure to ask whether the problem is a new issue or has been ongoing. This can
help focus the troubleshooting because new problems need to be approached by
looking for what changed.
Troubleshooting is a skill that can be built with knowledge and experience. Be
willing to ask questions and dig for answers. Change one thing at a time and allow
the process to stabilize.
Make sure that any changes are evaluated for unintended consequences. Be care-
ful not to trade one problem or defect for another. If an adjustment helps reduce
scrap but causes assembly problems, the end result may cost more in the long run.
