What the manual says
Manufacturer manualCH system is being heated.
Shared across the Greenstar 8000 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
Check your room thermostat is set to your desired temperatureEnsure your heating timer is scheduled correctlyNo further action is required as the boiler is functioning correctly
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Related fault codes
All 107 fault codes on the Greenstar 8000 Life Regular
Seeing a different code? Every code this model can display, in one place.
1-A21-d31-d41-E11-E21-E31-E41-EA1-Eb2012022032042082142242272282292322332342352372382422442452462472482492502512522532542572582592622632652682692732812832843063573583603623636048151010101310181019102210231025103710681070107110721075107620852908291029142915291629202923292429252926292729282931294029462948294929502951295229552956295729612962296329652965 B29662966 B296829692972D4