BoilerFaultCodesWhat the manual says
Manufacturer manualVenting the appliance | The function is activated for a period of 5 minutes on the short circuit. Make sure that the air vent is open.
From this model's manual
Verified against the Glow Worm Easicom 24 installation & service manual, page 26.
DIY fix possible
Ensure the automatic air vent cap on top of the internal pump is slightly loosened so air can escape.Wait for the 5-minute timer to finish; the boiler should return to normal operation automatically.If the code persists, check that your system pressure is between 1.0 and 1.5 bar.
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