Low
40-50-70-80 (ll-ll-ll-ll) on Ariston Clas HE 35

Your boiler is reporting that the water in your hot water cylinder has become slightly hotter than the temperature you have requested.

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

Cylinder temperature 5oC above set point

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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