What the manual says
Manufacturer manualZone 1 CH mode
From this model's manual
Verified against the Baxi 124 Combi Combi 2 installation & service manual.
DIY fix possible
No action required as the boiler is performing its normal heating functionCheck that your thermostat is set to the temperature you desireIf you did not want the heating on, turn down your thermostat or timer
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