Guides & technical articles
Fault diagnosis walkthroughs, UK standards explained, and practical advice for engineers at every stage — from apprentice to commissioning.
How to diagnose an Apollo XP95 open circuit fault
Step-by-step guide to diagnosing an Apollo XP95 open circuit fault on an addressable loop. Covers probable causes, diagnostic procedure, and resolution.
Understanding EN 54 and BS 5839-1: A practical guide for engineers
A practical guide to EN 54 and BS 5839-1:2025 for fire alarm engineers — what they cover, how they interact, and what they mean for day-to-day fault investigation.
Advanced MxPro 5: Common faults and how to clear them
A guide to the most common faults on the Advanced MxPro 5 fire alarm panel — network faults, loop faults, PSU faults, and how to clear them on site.
Kentec Syncro AS earth fault — step by step diagnosis
Step-by-step guide to diagnosing a Kentec Syncro AS earth fault. Covers fault identification, loop isolation, cable tracing, and resolution with BS 5839-1 references.
Why first-fix rate matters for fire alarm contractors
First-fix rate is the KPI that determines profit, reputation, and client retention for fire alarm contractors. Here's why it matters and how to improve it.
From apprentice to commissioning engineer: Building your fault knowledge
How to systematically build fault knowledge across manufacturers and panel systems as a fire alarm engineer — from apprentice through to commissioning engineer.
Put knowledge into practice on site
The fault database and AI assistant give you the same structured diagnostic approach as these guides — live, at the panel, on any of 17 manufacturers.