What does the Alpha E01 fault code mean?

Your boiler has failed to light, which means your heating and hot water will not work until the system is reset or the fuel supply is restored.

How much does it cost to fix Alpha error code E01?

Typical repair cost for the Alpha E01 fault is £100-350 including labour.

Check if other gas appliances in your home, like a hob, are working to ensure gas is reaching the property

Ignition failure

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.

Almost always a stuck diverter valve on combis.

Older boilers — thermocouple, draught, gas supply.