Medium
ER 07 + SPANNER on Johnson Starley Warmcair DW

Your boiler has detected an issue with the sensor that measures hot water temperature, which means you may not have reliable hot water for your taps and showers.

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

DHW flow temp sensor out of range

Engineer required

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

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