38
FAULT CODE
Alpha
Loss of Flame Rectification (Type 1)
Medium Severity
Engineer Required
The boiler's flame rectification circuit has detected a fault with the flame — the electrode may be faulty, dirty, or there may be flue gas recirculation.
Step-by-Step Fix Guide
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Step 1 Engineer only
Call a Gas Safe engineer to clean or replace the flame sensing electrode, check for flue gas recirculation, and verify gas valve settings
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.