Field reference and technical guidance for working automatic door technicians, facility managers, and building maintenance staff. Articles draw on years of NYC-metro service experience across revolving, sliding, swinging, and low-energy door installations from every major manufacturer.
Technical articles include detailed safety and compliance information that is intended for trade audiences. Some articles require login or free registration to read in full.
Featured Articles
Boon Edam Tournex Troubleshooting Guide
The working tech’s guide to the Boon Edam Tournex revolving door. Covers the stationary and rotating error monitor codes (newest-generation mapping), the FX3G PLC input map, the five most common service calls we dispatch on Tournex installations, and the Boon-O-Matic drive assembly. (Trade-only — requires login.)
Boon Edam TQA Troubleshooting Guide
The working tech’s guide to the Boon Edam TQA revolving door — the platform behind a generation of North American lobbies, still running in service today. Covers the FX3G-24M PLC input map, the HR/K relay scheme in the non-rotating control box, the SRD/SRB/TRS ball-contact safety rails (specific to this model, not interchangeable with Tournex), and the VR2 PLC adjustment for EBS stop distance. (Trade-only — requires login.)
Boon Edam Circlelock Stereovision Troubleshooting Guide
The working tech’s guide to the Boon Edam Circlelock Stereovision security portal (CL75 / CL100 / CL200) — a single-occupancy interlocked cabin door, not a revolving door. Covers the 46-pin X1 access-control terminal strip, the reed-switch end-switch map (ES1–ES8 / X0–X5), the full PLC input bank for ACS integration and Stereovision occupancy counting (X6–X43), the K30–K45 output relays to the customer access-control system, and the documented SV2 sensor cleaning procedure that resolves most “high rejection rate” service calls. (Trade-only — requires login.)
ANSI/BHMA A156.27 Compliance Guide for Revolving Doors
What ANSI/BHMA A156.27-2024 actually requires, what AAADM-certified inspectors look for, and what it takes to bring a non-compliant revolving door back into spec. Written for facility managers, building owners, and the independent service technicians who get the call when a door is implicated in a compliance audit.
Topics Covered
- Revolving doors — Boon Edam Tournex/Tourlock/CircleLock, Crane, Horton, ASSA ABLOY Besam, Record, International Revolving Door Co.
- Automatic sliding doors — Stanley Access Technologies, Horton, Nabco/Gyrotech, Besam, Record, Dorma-Kaba, Tormax.
- Automatic swing doors — Stanley Magic Swing/Force, Horton, Besam Powerswing, low-energy operators.
- Sensors and activation — BEA, MS Sedco, Optex, Bircher; cross-references between OEM-branded and aftermarket equivalents.
- Compliance and inspection — ANSI/BHMA A156.10, A156.19, A156.27; AAADM inspection programs; liability and documentation.
New articles are added as field experience and field photography permit. If there’s a specific door, fault code, or compliance question you’d like covered, contact us.