Low
203 on Worcester Bosch 26 CDi Xtra

Your boiler is currently sitting in a normal standby mode because there is no demand for heating or hot water at the moment.

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

The boiler is on standby

DIY fix possible

Check that your room thermostat or programmer is turned up higher than the current room temperature.Ensure the heating timer is set to an 'ON' period.Try turning on a hot water tap to see if the boiler fires up.

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Related fault codes

200View →201View →

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