BoilerFaultCodesDimplex 35 Fault Code
The Dimplex 35 fault code means: your boiler has lost its connection with its internal control chip or cannot detect a flame, causing the system to shut down for safety.. It appears on 2 Dimplex models in our database.
Technical description: BCC Error/ No flame. Incorrect/missing BCC
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Dimplex models that show the 35 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Dimplex 35 fault code information on this page is sourced and cross-checked against the official Dimplex service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026