Low
P.05 on Heatline CaprizPlus 28

Your boiler is currently refilling its internal water system, which is a normal process that happens automatically.

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

Filling the appliance

From this model's manual
Verified against the Heatline Capriz Plus installation & service manual, page 27.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Wait for a few minutes to see if the code clears itselfCheck your boiler pressure gauge to ensure it is between 1 and 1.5 barIf the code persists, ensure the filling loop valves are fully closed

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Avoid the next call-out bill

A cover plan would handle faults like P.05: no call-out fees, no surprise bills.

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