Medium
B08 on Ariston Euro Combi 30 MFFI

Your boiler's built-in timer or clock has encountered a communication error, meaning the heating may not turn on at your scheduled times.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Time Clock

DIY fix possible

Check the clock settings to ensure they haven't been accidentally clearedRotate the timer pins or digital settings to 'On' to see if the boiler firesPerform a simple reset of the boiler using the 'R' or reset button

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Related fault codes

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