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DHW sensor fault on Heatline Capriz 28

Your boiler has detected a faulty sensor responsible for hot water temperature, so it is now running in a restricted 'backup' mode to ensure you still have hot water available.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

If there is a fault on DHW sensor, system continues operation by controlling DHW outlet temperature by flow sensor and CH sensor, which limits the temperature up to 65ºC during DHW operation. Displays on LED screen.

Engineer required

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

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