What the manual says
Manufacturer manualHIGH SYSTEM PRESSURE
Shared across the Murelle EV HE range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
DIY fix possible
Locate a radiator in your home with a bleed valve.Place a cloth and a container underneath the valve.Open the bleed valve slightly to release a small amount of water until the pressure gauge on your boiler drops to the green zone (typically 1.0 to 1.5 bar).Close the valve securely.
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Related fault codes
All 71 fault codes on the Murelle EV HE Combi
Seeing a different code? Every code this model can display, in one place.