BoilerFaultCodesThe 6 most common faults
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.
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 a silver braided flexible hose connected between two pipes underneath the boiler.Open the small valve(s) on either end of the hose to allow mains water into the system until the pressure gauge reads between 1 and 1.5 bar.Firmly close the valve(s) to stop the water flow and ensure the boiler resets itself.
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 stopped working because the water pressure inside the heating system has dropped too low to operate safely.
Locate the external filling loop (a flexible silver hose connecting two pipes near the boiler).Slowly open the tap or valve on the filling loop to allow water into the system.Watch the pressure gauge on the boiler until the needle reaches the green zone (usually 1.0 to 1.5 bar), then close the valve tightly.
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