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Fault Code Guide

Underfloor Heating Fault Code Explainer

Understand what your underfloor heating error codes mean and how to fix them.

Showing 12 fault codes

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Can't Fix the Fault?

Our engineers are experienced with all major underfloor heating brands and fault codes.

£120 + VAT per hour | Same-day callouts available

Need an engineer?

If this guide points to a fault you would rather not tackle yourself, our REFCOM-registered, F-Gas certified engineers cover London and the M25 with 24/7 emergency callout. Engineer time is £120 + VAT per hour with a written quote before any chargeable parts are fitted. Start with the relevant service below, or contact us for a site survey.

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