Medium
F11 on Ferroli Domi Compact

Your boiler is having trouble sensing the temperature of your hot water tap supply, which means it cannot provide hot water to your taps.

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

DHW water sensor fault (open or short circuit)

Engineer required

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

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Related fault codes

F10View →F05View →

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