What the manual says
Manufacturer manualAppliance in air purge mode. Primary Heat Exchanger air venting program active - approximately 100 seconds.
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
Wait for approximately two minutes for the cycle to finish automaticallyMonitor the display to see if the error clears and normal operation resumesIf the boiler does not start after a few minutes, restart the appliance
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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-Eb2002012022032042082142242272282292322332342352372382422442452462472482492502512522532542572582592622632652682692732812832843063583603623636048151010101310181019102210231025103710681070107110721075107620852908291029142915291629202923292429252926292729282931294029462948294929502951295229552956295729612962296329652965 B29662966 B296829692972D4