What does the Keston E26 fault code mean?

Your boiler is struggling to keep a flame lit, often because the pipes that carry air in or waste water out are blocked or frozen.

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

Typical repair cost for the Keston E26 fault is £90-250 including labour.

Check the external plastic flue pipes for any obstructions like leaves 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.

Winter cause of ignition lockouts.

Older boilers — thermocouple, draught, gas supply.

Safety-critical — turn off, read this.