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home Fix label Heating label_important Home Heating Systems

C1 is flashing on my Greenstar HE combi boiler?

And it won't start up. What does this mean?
If I reset it says 22 in display then as soon as it gets to 23 it starts flashing C1?
Please help.
Louise, July 2012
home Fix label Heating label_important Home Heating Systemsdone
fan speed too low

AWOL, July 2012
link Click here to see other fixes for Greenstar.

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