What does the Baxi No lights fault code mean?

Your boiler has completely lost power, meaning it cannot start the heating or hot water process.

How much does it cost to fix Baxi error code No lights?

Typical repair cost for the Baxi No lights fault is £90-250 including labour.

Check if other appliances in the house have power

No power

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

Work through these before the call-out.

Almost always a stuck diverter valve on combis.

Safety-critical — turn off, read this.