How much does it cost to fix Chaffoteaux error code Red lockout indicator?

Typical repair cost for the Chaffoteaux Red lockout indicator fault is £120-250 including labour.

Red lockout indicator High

Chaffoteaux Red lockout indicator Fault Code

Q: What does the Chaffoteaux Red lockout indicator fault code mean?

Your boiler has failed to light the flame, so it has safely shut itself down to prevent gas from building up.

Also written as REDLOCKOUTINDICATOR — same fault.

The Chaffoteaux Red lockout indicator fault code means: your boiler has failed to light the flame, so it has safely shut itself down to prevent gas from building up.. It appears on 1 Chaffoteaux model in our database.

Technical description: Security solenoid closes and shuts off the gas if a flame is not detected after 8 seconds.

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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Chaffoteaux models that show the Red lockout indicator fault code

Click a model for the full fault code list and model-specific repair notes.

80/100 Repair: £120-250

Source

Chaffoteaux Red lockout indicator fault code information on this page is sourced and cross-checked against the official Chaffoteaux service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026