Low
270 on Worcester Bosch Heatslave

Your boiler is operating normally and is simply bumping up its power output to meet a high demand for heating or hot water.

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 modulating upwards

DIY fix possible

This fault may be fixable without an engineer. Check your manual first.

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Related fault codes

200View →201View →

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