Fix Fault Ariston

Ariston hot water gas heater What is error code A2?

My arisen combi central heating radiators only work when hot water tap is turned on , why ? Is it heat exchanger

my husband bled a radiator when it was on now the pressure has gone up to 3 it is a ariston combi. what is best way to get the pressure back to normal

my boiler keeps cutting out whwn it gets up to temp after a couple of minutes it re starts the pressure is fine it is an ariston

i have ariston boiler microgenus 28 he.after 2 minute red light come on ,nd stop working .but should i do.

I've got an Ariston boiler. The green light comes on and off after a few minutes. Then the red "traingle" sign comes on hence no ignition fire, central heating or hot water.