Low
203 0 on Worcester Bosch 24 RSF

Your boiler is working correctly but is currently sitting in standby mode because your thermostat or hot water tap hasn't asked it to turn on.

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

Boiler in standby – no heat energy demand

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'Check that your TRVs (radiator valves) are turned upTry turning on a hot water tap to see if the boiler fires up

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Related fault codes

202View →204View →

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