If the first check does not isolate the fault, what can the information gained be used for?

When the first check does not isolate the fault in a system, the information gained during that check can be critical for determining the next steps in the troubleshooting process. Specifically, this information can help in pinpointing which next unit or component to check.

By analyzing the results from the initial check, technicians can gain insights into which areas may still be functional or which components are more likely to contribute to the issue. This targeted approach can streamline the diagnostic process and improve efficiency, ultimately leading to quicker resolutions. Instead of starting the troubleshooting process anew or making broad decisions about the entire system, the insights from the first check allow for a more informed and systematic follow-up investigation. This method enhances the troubleshooting accuracy and helps to ensure that effort and resources are well directed.