E26
FAULT CODE
Keston
Flame Drop Out
Medium Severity
DIY Check Possible
The boiler flame has dropped out during operation. Check for flue obstruction, blocked condensate drain, or low gas supply (especially on LPG).
Cold Weather Note
E26 in cold weather — check condensate drain for freezing.
Step-by-Step Fix Guide
-
Step 1
Check for any obvious flue terminal obstructions
-
Step 2
In cold weather, check and thaw the condensate drain pipe
-
Step 3
Check gas supply
-
Step 4
Reset once
-
Step 5
Call a Gas Safe engineer if fault persists
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.