BoilerFaultCodesECA F10 Fault Code
The ECA F10 fault code means: your boiler has stopped working because water is not flowing through the system properly, often due to a blockage or a build-up of debris.. It appears on 3 ECA models in our database.
Technical description: Insufficient water circulation error (blocking) — clogging in installation; notify ECA authorised service
DIY fix possible
Check that your boiler pressure is between 1.0 and 1.5 bar on the gauge.Ensure all radiator valves and internal isolation valves are fully open.Gently bleed your radiators to remove any trapped air pockets.Restart the boiler to see if the error clears.
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ECA models that show the F10 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
ECA F10 fault code information on this page is sourced and cross-checked against the official ECA service / installation manuals for each affected model.
- ECA Confeo Premix HCH manual (PDF)
- ECA Confeo Premix HM manual (PDF)
- ECA Confeo Premix HST manual (PDF)
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026