Medium
F11 on Ferroli Domiproject

Your boiler's hot water sensor has stopped communicating correctly with the control board, meaning the system cannot accurately monitor the temperature of the water coming out of 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

Domestic hot water (DHW) sensor error – sensor damaged, wiring shorted or disconnected

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 →F14View →A06View →

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