What the manual says
Manufacturer manualBoiler in anti-cycle mode
Shared across the Greenstar 8000 F 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 that your room thermostat is set higher than the current room temperatureEnsure all radiator valves (TRVs) are turned open to allow heat to circulateWait up to 15 minutes for the anti-cycle timer to expire and the boiler to restart automatically
Find a Gas Safe engineer
Search the official register →
Boiler cover options
Avoid the next call-out bill
Monthly cover means no unexpected bills when your boiler breaks down.
Approved partner
Get a quote →
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Affiliate links. We may earn a commission at no extra cost to you.
Related fault codes
All 99 fault codes on the Greenstar 8000 F
Seeing a different code? Every code this model can display, in one place.
2002012032042082142242272282292322332342352372382422442452492502512522532542572582592622632652682692732812832843053063573583603623636048151010101310171018101910211023102510371065106810701071107210751076208529082910291429152916292029232924292529262927292829312940294629482949295029512952295529562957296129622963296529662968296929702971297229802981