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valliant ecotec s30, hot water but no central heating?

Hi, as in the title, the central heating doesnt work but the hot taps around the house do. It's displaying I believe error code s30 Any help much appreciated. Mark
mark, October 2011
turn your room thermostat up to at least 21 degrees
s30 is not a boiler fault,the boiler is just telling you no heating is required as the ambient temperature is higher than the room stat setting
i have a vailliant ecotec 824 plus model

wirecutterman, October 2011
change diverter valve before to do is setting on heating room start at high

ltd, October 2011
link Click here to see other fixes for Vaillant ecotec s30.