The rule is federal; the enforcement is software. When the two disagree, the software usually wins on paper — unless you fix the record the same day.
The pairing requires 7+ consecutive hours in the berth. Log the long stretch as off duty and the ELD's HOS engine finds no qualifying period: no recalculation, both breaks counted against your 14-hour window, violation. The rest was real; the status was wrong. Fix: edit the segment to sleeper-berth status, annotate why, recertify the day.
ELDs record driving before anyone logs in (yard moves, PM service runs, a co-driver testing the seat). If those segments get attributed to you, your 11-hour driving count and 14-hour window shrink invisibly. Under 49 CFR 395.26/395.30 the record must be accurate — assign unclaimed driving to the right person or clear it with an annotation the same day, before it hardens into a certified day.
395.30(b): you must review, correct, and certify each day's record. An edit sitting unapproved — by you or your carrier — leaves the violation visible in inspection outputs even when the underlying day is clean. The sequence that works: edit, annotate, certify, and if the carrier made later edits, recertify (395.30(b)(4)).
Personal conveyance and yard moves are legal driving statuses that look exactly like violations when unannotated — especially PC after you are out of hours. If your ELD requires an annotation reason and you skipped it, the day reads as "drove after 14/70". Annotate at the time if possible; late annotations are still far better than none.
Some fleets run ELD configurations or legacy rule sets that predate the 2020 rule — they only know 8/2, not 7/3, or they treat any interruption inside a berth stretch as fatal. If your math is right and the device is wrong, ask your carrier to check the ELD's rule-set configuration (property-carrying, 2020 HOS rules, sleeper-berth pairings enabled). Data diagnostic events — the ELD flagging its own data inconsistency — are governed by 395.34(c) and must be resolved per your carrier's and provider's instructions; they are not violations by themselves.
An inspector reviews your certified records on their own system and recalculates HOS per the regulation — a genuinely valid split passes regardless of what your unit displayed. What fails you is an accurate record of an illegal day or a false record you certified without correcting. Which is why the practical rule is: correct and certify the same day, keep supporting documents (berth time is visible in the log; fuel and toll receipts corroborate the timeline), and never certify a day you know is wrong.
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Rule basis: 49 CFR 395.26, 395.30, 395.34, 395.1(g)(1)(ii) via eCFR.