Medium
Bar on Heatline Capriz 25S 28S

Your boiler is struggling to detect the temperature of your hot water supply, so it has safely suspended hot water production to prevent issues.

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.

What the manual says

Manufacturer manual

Fault on DHW sensor

From this model's manual
Verified against the Heatline Capriz 28 installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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