What does the Chaffoteaux Pilot will not light (3) fault code mean?

Your boiler is failing to ignite because internal debris is blocking the tiny gas supply line responsible for starting the flame.

How much does it cost to fix Chaffoteaux error code Pilot will not light (3)?

Typical repair cost for the Chaffoteaux Pilot will not light (3) fault is £120-220 including labour.

Blocked pilot filter or injector.

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.

7 signs repair isn't worth it anymore.

Break-even maths on monthly cover.