APPLIANCE FIRES THEN LOCKOUTS Emergency

Vokera APPLIANCE FIRES THEN LOCKOUTS Fault Code

Also written as APPLIANCEFIRESTHENLOCKOUTS — same fault.

The Vokera APPLIANCE FIRES THEN LOCKOUTS fault code means: your boiler is struggling to keep its flame lit because it cannot get the right amount of gas or properly vent its waste gases, so it is shutting down for safety.. It appears on 1 Vokera model in our database.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description: INCORRECT GAS PRESSURE or FLUE BLOCKED OR BROKEN
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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Vokera models that show the APPLIANCE FIRES THEN LOCKOUTS fault code

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

Source

Vokera APPLIANCE FIRES THEN LOCKOUTS fault code information on this page is sourced and cross-checked against the official Vokera service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026