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After completing this topic, you can narrow down the root cause of an anomaly by isolating the affected time range and comparing related signals.

Before you begin

  • You have a Run with an identified anomaly open in Explore with the affected Channel plotted.

How anomaly investigation works

When a signal shows unexpected behavior, you can zoom into the affected time range and plot related Channels side by side to determine whether the anomaly is isolated to a single signal or correlated across multiple signals. Comparing related Channels helps narrow down the root cause, such as a sensor failure, an environmental event, or a system-level issue.

Investigate an anomaly

  1. Use range controls to zoom into the time range where the anomaly occurs.
  2. Add related Channels to the same Panel or an adjacent Panel to compare signals.
  3. Optional: Create a Calculated Channel to derive a signal that highlights the anomaly, such as a difference or ratio between two Channels.
  4. Optional: Add an Annotation to mark the anomaly for review or to share with your team.
  5. Optional: Share the workspace to send the exact state of your investigation to another engineer.
  6. Optional: Create a Rule to automatically detect the same anomaly in future Runs.