DRC Check for trace width?

Layout
1

I have some traces that are too narrow:

trace_width
trace_width1704×1012 172 KB

However DRC does not catch these violations:

no_drc_errors
no_drc_errors1803×1006 142 KB

I tried it many times. How can I configure DRC to catch basic violations like trace width?

I am using KiCad 9.0.1 on Ubuntu 24.04.1 LTS on x86.

2

First: thanks for mentioning the kicad version. :+1:

regarding your issue: your first picture shows actual width (left red circle) and optimum width (right red circle), but not the minimum required track width.

You have probably set the **minimum** width for netclass power to a value smaller than 0,12mm.

possible places to set/influence the minimum width:

  • board constraint values
  • netclass values
  • custom rules

You could check with: select the track –> Inspect–>Check Constraints resolution which source is responsible for the trackwidth.