BoilerFaultCodesMalvern 14 kW Fault Code
Also written as 14KW — same fault.
The Malvern 14 kW fault code means: your boiler is displaying its power output rating rather than a fault code, which often indicates that the internal electronics are failing to recognise the system's operational status.. It appears on 1 Malvern model in our database.
Technical description: 47768 Btu/h, 78.4 sec/ft³, 0.0433 m³/2 mins
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Malvern models that show the 14 kW fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Malvern 14 kW fault code information on this page is sourced and cross-checked against the official Malvern service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026