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home Fix label Heating label_important Home Heating Systems category Saunier Duval

why does f9 keeping flashing on my boiler, what does it mean?

my boiler is a saunier duval and it is not working at all. not the hot water or central heating. F9 keeps flashing. what does that mean and how can i fix it?
Salma, July 2009
home Fix label Heating label_important Home Heating Systems category Saunier Duvaldone
F9 depending on exact model of SD boiler you have generally indicates fault on water pressure sensor.
Check in your manual for the boiler, there will be a list of fault codes

Andy, July 2009
link Click here to see other fixes for Saunier Duval ISOTWIN.

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