BoilerFaultCodes.com
Red indicator (22) High

Your boiler has stopped working because it cannot light the internal flame or detect that it is staying lit, so it has shut down for safety.

Call an engineer soon

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

Technical description: Lock out/flame failure: When the ionisation electrode (28) does not detect flame presence. If a flame is not detected before 8 seconds, the grey security solenoid (30) and the blue 1/3 solenoid (31) will close. The lock out red indicator (22) lights.
Typical repair cost £120-250 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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