Baxi 3.2.8 Fault Code
Also written as 328 — same fault.
The Baxi 3.2.8 fault code means: your boiler has detected a blockage in the pipe that drains away waste water, causing it to shut down to prevent internal damage.. It appears on 1 Baxi model in our database.
Technical description: Condensate darin
DIY fix possible
Locate the plastic pipe exiting the boiler to the outside or a drain.Check the external end of the pipe for blockages like ice, leaves, or debris.If frozen, pour warm (not boiling) water over the outside pipe to melt the obstruction.
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Baxi models that show the 3.2.8 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Baxi 3.2.8 fault code information on this page is sourced and cross-checked against the official Baxi service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026