What does the Baxi 3 red flashes fault code mean?

Your boiler is failing to light its burner to create heat after several attempts, which means it has locked itself out for safety.

How much does it cost to fix Baxi error code 3 red flashes?

Typical repair cost for the Baxi 3 red flashes fault is £120-300 including labour.

Check if your gas supply is turned on at the meter

Ignition fault. Boiler has attempted to light 5 times and failed.

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.

Older boilers — thermocouple, draught, gas supply.

Safety-critical — turn off, read this.