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KB: PCB Health Check Monitor - Reference Point Outside the Component Area

Created: April 14, 2026 | Updated: April 14, 2026
Altium Designer Altium Designer
The PCB Health Check Monitor may report the warning “Reference Point Outside the Component Area” when a component’s origin is positioned outside its physical footprint. While the Health Check panel already explains the potential impact and provides high‑level corrective guidance, this article focuses on why the warning occurs and the most common design scenarios that trigger it, particularly for single‑pad components. In many cases, the issue is caused by moving a pad independently instead of moving the entire component, resulting in a mismatch between the pad location and the component reference point even though the footprint may appear visually correct. This article provides additional context to help users understand the root cause, trust the PCB Health Check Monitor warning, and apply the correct fix at the library level to avoid incorrect outputs or export issues.

Solution Details

Warning appears on specific components

The PCB Health Check Monitor reports the warning Reference Point Outside the Component Area for certain components rather than the entire design. The PCB layout may look correct, but the repeated warning can raise concerns about potential errors in generated outputs, exports, or manufacturing data.

Origin no longer aligned with footprint area

This warning occurs when the component origin (reference point) is located outside the actual component area. A common scenario involves single‑pad components where the pad was moved independently instead of moving the entire component. As a result, the pad no longer aligns with the component’s reference point. Even though the footprint may appear correct on the PCB, the PCB Health Check Monitor detects this internal inconsistency and flags it because it can affect exports, outputs, and components associated with specific board regions.

Correct the reference point at the source

  • Ensure the component reference point is located within the component area and aligned with the pad.
  • Apply the correction in the source library and then update the footprint on the PCB.

Note (as shown in the PCB Health Check Monitor panel): Component reference points located outside of the component area may result in incorrect export results and outputs and can affect components that belong to a specific board region.

Board Properties Health Check in Altium Designer, highlighting the issue “Reference point outside the component area” with several affected components listed.

Verify and realign the component origin

  1. Enable Snap To Center in the PCB Editor Preferences and move or drag the component.
  2. Identify whether the pad has been moved independently of the component.
  3. Open the affected component in the source library.
  4. Check whether the component origin lies outside the component area.
  5. If required, use Edit » Set Reference to move the origin inside the component area.
  6. Save the updated library component.
  7. Update the PCB with the corrected library footprint.
  8. Re‑run the PCB Health Check Monitor to confirm the issue is resolved.

Additional Notes

The component reference point is used internally for snapping and placement. Enabling Snap To Center is the most practical way to identify its location, as the component will be grabbed and moved directly from the reference point during placement or dragging.

Altium Designer Preferences dialog showing PCB Editor General settings, with the “Snap To Center” option enabled, alongside a PCB view illustrating a test point and its reference location.

References

만약 문제가 있으시다면, 텍스트/이미지를 선택하신 상태에서 Ctrl + Enter를 누르셔서 저희에게 피드백을 보내주세요.
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