Skip to main content
E128 FAULT CODE
Baxi

Frequent Flame Failure

High Severity Engineer Required

The boiler has lost its flame 12 times in succession, triggering a safety lockout.

Step-by-Step Fix Guide

  1. Step 1

    Do not keep resetting

  2. Step 2

    Check gas supply

  3. Step 3 Engineer only

    Call a Gas Safe engineer — persistent flame failure needs proper diagnosis

Gas Safe Reminder

Work on gas appliances must be carried out by a Gas Safe registered engineer. The steps above cover safe checks a homeowner can perform - any internal component replacement requires a qualified professional. If in doubt, always call an engineer.

Are you a Gas Safe Engineer?

Access technical fault data, wiring diagrams, and parts lists. Free for verified Gas Safe engineers.