E118
FAULT CODE
Baxi
Flame Without Demand
High Severity
Engineer Required
The boiler is detecting a flame signal when no heat demand exists — a safety-critical condition.
Step-by-Step Fix Guide
-
Step 1
Turn off the boiler immediately
-
Step 2 Engineer only
Call a Gas Safe engineer to inspect the gas valve and ionisation electrode
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.