Medium
8 6 on Ideal Logic Air

Your boiler has detected that the internal water pressure is too high, causing it to shut down for safety to prevent damage.

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

High pressure switch error

From this model's manual
Verified against the Ideal Logic Air 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.

DIY fix possible

Locate a radiator somewhere in your home with a bleed valve.Use a radiator key to slowly release air and water into a cloth or container.After releasing enough water to lower the pressure reading on the boiler display to between 1.0 and 1.5 bar, close the valve and restart the boiler.

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