Hi I have a sabre 29 he plus boiler fitted 6 months ago.everything fine until lots of air noise then silence.pump runs for 30 seconds then cuts off.does this 3 times then solid red light stays on and boiler stays silent.any help much appreciated.
Also clean condestion pipe connected with pump ,if that one blocked boiler will not work
ltd
April 2013
May need power flush ,flush it out few time ,refill remove air from pump open auto air vent ,vent rads ,keep filling loop open ,while open drain out ,let all dirty water flush out,close feeling loop maintain 1.2 bar on boiler