Medium
32 on Johnson Starley Warmaflow F80E

Your boiler has detected an electrical fault with the sensor that monitors your hot water temperature, which means it cannot safely heat water for your taps.

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 temperature sensor short circuit

Engineer required

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

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