What does the Keston E26 fault code mean?

Your boiler has started an ignition sequence but the flame keeps going out, meaning the system cannot stay lit long enough to heat your home.

How much does it cost to fix Keston error code E26?

Typical repair cost for the Keston E26 fault is £100-280 including labour.

Check the outside flue pipes for any obstructions like leaves, nests, or debris.

Flame drop out – check for obstruction of the flue and/or air terminals, blockage/freezing of the drain pipe or a low gas supply (LPG).

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Lockout fault with a reset-needed pattern.

Older boilers — thermocouple, draught, gas supply.

Safety-critical — turn off, read this.