Medium
F2 on Heatline Sargon 28

Your boiler's hot water sensor has malfunctioned, meaning the system can no longer tell how hot your water is and has stopped heating it for safety.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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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

D.H.W. temperature probe damage

Engineer required

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

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Related fault codes

F1View →F3View →

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