BoilerFaultCodesECA 68 Fault Code
The ECA 68 fault code means: your boiler has lost communication with one of its temperature sensors, which means it cannot accurately monitor the heat levels in your home.. It appears on 1 ECA model in our database.
Technical description: Room temperature 3, sensor error
DIY fix possible
Check the batteries in your wall-mounted room thermostat or remote controlEnsure the thermostat is within range of the boiler and has a clear signalTurn the boiler power off at the fused spur, wait 30 seconds, and turn it back on to reset the electronics
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ECA models that show the 68 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
ECA 68 fault code information on this page is sourced and cross-checked against the official ECA service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026