OBS-A-017.1
Observed symptom
A valid card produced Access Granted and the Output 2 indicator changed state, but Door A-12 remained locked.
Observation Sheet · REVISION 1
OBS-A-017 — Door A-12 valid access but no release
Fictional / anonymised ENGGEN 720 demonstration source. SiteAssist reads the stored sections below through controlled read-only tools.
Document typeObservation Sheet
Revision1
System version scope4.2 → 4.2
Published09 May 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
OBS-A-017.2
Field finding
The project wiring schedule identified a fail-secure strike. Output 2 had been configured with Normal logic; changing the 4.2 output logic to Inverted restored normal access operation.
OBS-A-017.3
Scope note
This observation concerned normal access operation only. It did not test or approve fire-alarm door release.