BoilerFaultCodesRemeha é6 Fault Code
Also written as 6 — same fault.
The Remeha é6 fault code means: your boiler is currently running its internal water circulation pump longer than expected after finishing a heating or hot water cycle, but this is usually just a system status notification rather than a breakdown.. It appears on 3 Remeha models in our database.
Technical description: pump run on after CH or DHW is satisfied
What causes the Remeha é6 fault?
This fault occurs when the boiler's internal sensor detects a flame still burning after the heating cycle has finished or before it has even started. The most common reason is a sticking gas valve that isn't closing properly, or a faulty sensor providing a false signal to the control board.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Remeha models that show the é6 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Remeha é6 fault code information on this page is sourced and cross-checked against the official Remeha service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026