BoilerFaultCodesRemeha 10 Fault Code
The Remeha 10 fault code means: your boiler’s internal computer has developed a serious electronic fault and can no longer control the heating safely.. It appears on 2 Remeha models in our database.
Technical description: Control box failure
What causes the Remeha 10 fault?
This fault occurs when the boiler's internal processor or memory chips suffer an electronic component failure, meaning the motherboard can no longer process data or safety instructions. The most common reason is natural electrical wear and tear over time, though it can also be triggered by a sudden power surge or moisture getting into the casing.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Remeha models that show the 10 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Remeha 10 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 27 April 2026