BoilerFaultCodesRemeha é5 Fault Code
Also written as 5 — same fault.
The Remeha é5 fault code means: your boiler is currently in a mandatory waiting period, meaning it is simply resting before it tries to restart itself.. It appears on 5 Remeha models in our database.
Technical description: waiting-time; 3 to 10 minutes
What causes the Remeha é5 fault?
This fault occurs when the boiler tries to light the gas but cannot detect a steady flame to confirm it is safe to continue. The most common reasons are worn-out sensors that can no longer 'see' the flame, a faulty ignition spark, or an issue with the gas supply preventing the burner from firing up correctly.
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 é5 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Remeha é5 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