Which of the following statements is not correct or not in the correct order for the troubleshooting sequence?
A) Put the brackets on the PLC system block diagram in order to narrow the search for the fault.
B) Start with a precise test of PLC system parameters to locate the faulty component.
C) After the faulty unit or component is identified, the problem is corrected by adjustment or replacement of the unit or component.
D) Gather all of the symptom data for the PLC system failure.
B
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