F4:Auto Checks
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Summary
F4 reports “auto checks” (informational codes) to show which validation steps were completed successfully.
Standard meaning
ASME Y14.5 defines compliance requirements, not progress reporting. Auto checks are an F4 implementation detail to improve transparency and debugging.
F4 behavior
What an auto check means
An auto check is an informational record that a specific validation step passed (for example: “no prohibited modifiers were found”).
Deduplication
Some validations run multiple times (especially composite and multi-segment frames). F4 tracks auto checks as a set to avoid duplicates and performance issues.