BoilerFaultCodesIdeal CH 80 Fault Code
Also written as CH80 — same fault.
The Ideal CH 80 fault code means: your boiler has reached the required temperature and is temporarily pausing the burner while the pump continues to circulate heat around your radiators.. It appears on 2 Ideal models in our database.
Technical description: The boiler has a call for central heating but the appliance has reached the desired temperature set on the boiler.
DIY fix possible
Check that your room thermostat is set to the desired temperatureEnsure radiator valves are open in the rooms you want to heatWait for the boiler to automatically restart once the water temperature drops below the set point
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Ideal models that show the CH 80 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ideal CH 80 fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026