Low
270 on Worcester Bosch 26 CDi Xtra

Your boiler is undergoing a standard internal startup self-test as it prepares to heat up.

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

265View →268View →

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