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my greenstar zwb 7-27 he combi is giving fault code c1, fan speed too low?

Do I need new fan? How much is it going to cost?
christine Chadwick, May 2008
yes and pcb you might as well get a new boiler honey x

botchit and leggit plumbing, February 2009
may just need cleaning and servicing, but replcement maybe a possibility

also, make sure your flue teminal is unobstructed by debris or plants/leaves that may obstruct the flue

T, May 2008
link Click here to see other fixes for Greenstar.