LL-A-003.1
Do not infer life-safety acceptance
Normal access-control testing must never be treated as evidence that the fire-release interface works. The fire test needs its own witnessed evidence.
Lessons Learnt · REVISION 1
LL-A-003 — Atlas lessons learnt
Fictional / anonymised ENGGEN 720 demonstration source. SiteAssist reads the stored sections below through controlled read-only tools.
Document typeLessons Learnt
Revision1
System version scope4.2 → 4.2
Published01 Jun 2025
Evidence groupATLAS
Source scopeProject History
Original formatPDF
Eligible source. The agent may retrieve this document only when product/version scope and relevance checks also pass.
Stored source sections
3 sections
Source section
LL-A-003.2
Reader bus commissioning
Check end-of-line termination before long soak tests; missing termination can create intermittent CRC errors that appear hours later.
LL-A-003.3
Version-specific workaround
The output inversion used on Atlas was a firmware 4.2 project-specific correction. Do not copy that setting to later firmware without checking current manufacturer guidance.