Green light flashes every few seconds, thermister replaced,heating and hot water worked for about an hour,then boiler goes to red, whenyou switch off at the mains and switch back on green light flashes no heating pr hot water
please help getting cold

wendy, September 2012

Change water pressure sensor ,that cause of boiler not working ,if water come hot and than cold than change NTC if boiler goes to lock out change overheat sensor

ltd, September 2012