Medium
E06 on Heatline Sargon 28

Your boiler's temperature sensor for hot water has stopped working, so the system is unable to tell how hot the water is and has stopped heating it for your safety.

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 thermistor fault: The domestic hot water NTC sensor is damaged 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

E05View →F2View →

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