BoilerFaultCodesThe 6 most common faults
Your boiler has stopped working because it does not have enough water inside the system to operate safely.
Locate the filling loop (a silver flexi-hose) beneath the boiler.Open the small valve handles to allow water to enter the system until the pressure gauge reads between 1 and 1.5 bar.Close the valves tightly to stop the flow of water.
Your boiler has stopped heating because the water pressure inside the system has dropped below the required level.
Locate the filling loop, which is a silver braided hose with one or two valves located underneath the boiler.Slowly open the valves to allow mains water into the heating system while watching the pressure gauge on the front of the boiler.Close the valves tightly once the needle reaches 1.5 bar, then check the boiler to see if the fault code has cleared.
Your boiler has stopped working because the water pressure inside the heating system has dropped too low to operate safely.
Locate the external filling loop, which is usually a braided silver hose connecting two pipes under the boilerOpen the small valve or tap on the filling loop to allow cold mains water to enter the systemWatch the pressure gauge on the front of the boiler and close the valve once the needle reaches 1.5 barCheck for any obvious puddles under radiators or the boiler that might explain the initial pressure loss
Your boiler has stopped heating because the water pressure inside the system has dropped too low to operate safely.
Locate the external filling loop, which is a silver braided hose connected between two valves underneath the boiler.Open the valves slowly to allow mains cold water into the system while watching the pressure gauge.Close the valves tightly once the needle reaches the green zone, typically between 1.0 and 1.5 bar.
Your boiler has detected that there is not enough water inside the system to operate safely, so it has turned itself off to prevent damage.
Locate the external filling loop, which is usually a silver flexible hose with one or two small valves under the boiler.Open the valve(s) slowly to allow water into the system while watching the pressure gauge on the front of the boiler.Close the valve(s) tightly once the needle reaches the green zone, typically between 1 and 1.5 bar.
Your boiler has stopped working because the water pressure inside the system is too low to operate safely.
Locate the filling loop, which is a silver braided hose with one or two valves underneath the boiler.Slowly open the valve(s) to let water into the system while watching the pressure gauge on the front of the boiler.Close the valve(s) firmly once the needle sits between 1 and 1.5 bar, then check for any leaks.
on the Ferroli Domina 102
Based on parts cited in our fault code database. Your engineer will confirm what's actually needed after diagnosis.
Call a Gas Safe engineer if…
- You can smell gas or see signs of a leak
- The Ferroli shows an Emergency or High severity code
- The boiler keeps locking out after repeated resets
- You've tried the DIY checks and the fault hasn't cleared
- There's visible water leaking from the boiler
- The flame is yellow or orange instead of blue