Faults

When a Baxi boiler stops and flashes an error, it’s usually trying to protect itself or tell you where to look. This guide explains the most common Baxi fault codes, the simple checks you can do safely, and when to call a Gas Safe engineer. Need help now? OSO Group Engineers repair Baxi boilers same day across Greater London, Kent, Sheffield, Birmingham, Leeds & more. Fixed fair pricing, insured work, and Gas Safe engineers.Call now or book online in minutes. Quick Reference: Common Baxi Boiler Fault Codes Code Meaning Safe homeowner checks…

Ideal Boiler Fault Codes: Quick Guide (Logic, Logic+, Logic Max, Vogue & others), Boiler Repair, Plumbing & Heating Services Safety first: if you smell gas, hear arcing, or the boiler keeps locking out, switch off and call a Gas Safe engineer. Common Ideal codes (what they mean & what to do) Code Plain-English meaning Quick next step F1 Low system water pressure Check pressure ~1.0–1.5 bar; top up if you know how. If it keeps dropping, there may be a leak…

Meanings, Likely Causes & What To Do Next If your Vaillant shows an F-code on the display, it’s telling you what’s wrong. Use the quick table below to understand the issue and whether you can try a safe check (like topping up pressure) before calling a Gas Safe engineer. Safety first: If you smell gas, hear arcing, or the boiler repeatedly locks out—turn it off and call a Gas Safe engineer. How to use this guide Vaillant Boiler Fault Codes Code Plain-English meaning Quick…

Meanings, Likely Causes & What To Do Next When your Worcester Bosch boiler flashes a fault code, it’s your boiler’s way of telling you what part of the system needs attention. Below is a clear, homeowner-friendly guide to the general codes used across many Greenstar models(wording varies slightly by model). We’ve grouped them by theme, added plain-English meanings, quick checks you can safely try, and when to call an engineer. ⚠️ Safety first: If you smell gas, turn off the gas at the…