Low
40 on Heatline Capriz 25/28

Your boiler is struggling to accurately read the outside temperature, which may cause your heating to run inefficiently or not turn on correctly.

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.

What the manual says

Manufacturer manual

Fault on Outdoor sensor

From this model's manual
Verified against the Heatline Capriz 28 installation & service manual, page 19.
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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