What does the Keston Enn fault code mean?

Your boiler has encountered a critical system error that has forced it to shut down to prevent damage or unsafe operation.

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

Typical repair cost for the Keston Enn fault is £150-450 including labour.

Turn the power switch to the boiler off and wait for 30 seconds

Fault causing a boiler shutdown

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

Older boilers — thermocouple, draught, gas supply.

Safety-critical — turn off, read this.

7 signs repair isn't worth it anymore.