BoilerFaultCodesRemeha E8 Fault Code
The Remeha E8 fault code means: your boiler has stopped working because its internal computer has detected a problem with the electronic circuit that manages the flame.. It appears on 2 Remeha models in our database.
Technical description: Internal control box error (flame circuit fault)
What causes the Remeha E8 fault?
This fault occurs when the boiler's main control board fails to correctly process the signals required to manage and monitor the burner's flame. The most common reason is a physical failure of the internal electronics on the circuit board, though it can also be triggered by worn-out ignition parts or damaged wiring that disrupts the signal flow.
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 E8 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Remeha E8 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