What the manual says
Manufacturer manualalternates with Boiler operating mode
From this model's manual
Verified against the Baxi Ecoblue Heat installation & service manual.
DIY fix possible
Wait for 5 to 10 minutes for the automatic venting cycle to completeEnsure all radiator valves are open to help move air through the systemCheck that the system pressure is between 1.0 and 1.5 bar on the gauge
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