Fix Fault Optima

My optima central heating is not igniting, the hot water side of it works fine, when I turn the thermostat on the pump seems to switch on but nothing else happens, when the thermostat is turned off ag ... more

Pressure bar is constantly at 3. If I drain radiators, pressure reduces but then creeps back up again. I have read that I need to get the pressure to 0 and pump the air in manually wit a bike pump? Ho ... more

First fault showing F37 open valve for pressure no sound left on for short period but closed off as nothing happened, then F40 came on and pressure is now climbing at 2 pressure is shut off, think mus ... more

my ferroli optima 701 boiler pilot light will not stay on. I change the pilot thermocouple but that did not work what else keeps the pilot flame on and starts the boiler

heating will not come on but hot water ok. pump runs. boiler fires up when stone cold for c/h eventually but will not respond to room thermo or boiler controls. when connector to dhw sensor is wiggled ... more

boiler when running keeps pressure spot on,when boiler shuts off the pressure slowly drops off and needs to re-charge a fraction ?