BoilerFaultCodesMain 32 Fault Code
The Main 32 fault code means: your boiler is currently stuck in a cycle while trying to heat your radiators, which means your heating and hot water may not work until the issue is cleared.. It appears on 2 Main models in our database.
Technical description: Central Heating Mode
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Main models that show the 32 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Main 32 fault code information on this page is sourced and cross-checked against the official Main service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026