High
Ignition Lockout on Baxi Barcelona

Your boiler has tried to light itself five times without success and has shut down for safety because a flame wasn't detected.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

When 5 ignition attempts have been made without a flame being detected then Ignition Lockout occurs. The pump, fan, spark generator and gas valve are switched off. The lockout light flashes once a second.

Engineer required

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

Find a Gas Safe engineer
Search the official register →

Related guides you might find useful

Boiler keeps cutting out

Lockout fault with a reset-needed pattern.

Read →

Pilot light keeps going out

Older boilers — thermocouple, draught, gas supply.

Read →

When to replace your boiler

7 signs repair isn't worth it anymore.

Read →