BoilerFaultCodesWhat the manual says
Manufacturer manualChimney sweep demand
Shared across the Greenstar 8000+ Style 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
Locate the 'Chimney Sweep' button (icon looks like a brush) on the touch screen display.Press and hold the button for approximately 3 to 5 seconds.The display should return to the standard temperature screen once the mode is deactivated.
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Related fault codes
All 99 fault codes on the Greenstar 8000+ Style
Seeing a different code? Every code this model can display, in one place.
2002012022032042142242272282292322332342352372382422442452492502512522532542572582592622632652682692732812832843053063573583603623636048151010101310171018101910211023102510371065106810701071107210751076208529082910291429152916292029232924292529262927292829312940294629482949295029512952295529562957296129622963296529662968296929702971297229802981