i have a problem with the hot water. all seems ok until i try and run the bath upstairs. i can get about 1/4 bath full and then the boiler locks out which brings in the fan and the red warning lamp is flashing about 4 times a second. if i press to reset the boiler it will fire back up again and...
i have a problem with the hot water heating side of this unit. if the central heating is on and you run hot water for a bath the hot water will run for a short while but then it will go cold and you have to push the reset button on the boiler to get the hot water back. what is the likely cause...