Low
P.05 on Heatline Vizo 24

Your boiler is currently refilling its internal water system, which is a normal process that happens automatically after the system has been drained or topped up.

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

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 5-10 minutes for the boiler to complete the automatic filling sequence.Check that your external filling loop valves are fully closed if you recently topped up the system.If the code persists for more than an hour, switch the boiler off at the fused spur and back on again to reset.

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