14 Medium

Maxol 14 Fault Code

The Maxol 14 fault code means: your boiler has stopped producing hot water because a internal sensor that monitors water temperature has stopped working correctly.. It appears on 1 Maxol model in our database.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description: No flame/DHW cold - DHW sensor failure
Typical repair cost £90-160 (including labour)

Engineer required

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

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Maxol models that show the 14 fault code

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

Source

Maxol 14 fault code information on this page is sourced and cross-checked against the official Maxol service / installation manuals for each affected model.

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