Low
203 on Worcester Bosch 24 RSF

Your boiler is currently in standby mode and is simply waiting for a request from your thermostat or hot water tap to start working.

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 is turned up higher than the current room temperatureEnsure your heating programmer or timer is set to 'On'Open a hot water tap to see if the boiler fires up

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Related fault codes

200View →201View →

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