Low
204 O on Worcester Bosch 26 CDi Xtra

Your boiler has temporarily stopped because the water inside it has become hotter than the temperature you have requested.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Current primary water temperature higher than set value

DIY fix possible

Check that your radiator valves are fully open to allow heat to circulateEnsure the boiler thermostat dial is not set to maximumWait for the boiler to cool down naturally, as the code often clears itself

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