BoilerFaultCodesThe 6 most common faults
Your boiler has tried to light several times and failed, so it has locked itself out to prevent further wasted gas.
Check that your gas meter has credit and the isolation valve is openCheck if other gas appliances in your home, like a hob, are workingReset the boiler by turning the control knob to the 'OFF/RESET' position for a few seconds and then back to 'ON'
Your boiler has tried to ignite several times but the flame keeps going out, causing the system to shut down for safety.
Check that your gas meter has credit and the emergency control valve is openCheck if other gas appliances in your home, like a hob, are working correctlyPress the Reset button or turn the mode selector to 'OFF/RESET' for a few seconds and then back to heating
Your boiler has switched itself off because it has detected that the internal water temperature has become too hot.
Check that your radiator valves are open to allow water to flow.Verify that your system water pressure is between 1 and 1.5 bar on the pressure gauge.Try resetting the boiler by turning the mode selector switch to the 'OFF/RESET' position and then back to 'ON'.
Your boiler has detected a blockage or a problem with the air pipe that vents exhaust gases outside, causing the system to stop for safety.
Check the external flue pipe on the outside of your property for obstructions like bird nests, snow, or debrisEnsure there are no items leaning against or covering the flue terminalGently clear any visible external blockages, but do not attempt to open the boiler casing
Your boiler has detected that there is not enough water in the system to operate safely, causing it to shut down temporarily.
Locate the filling loop (usually a silver flexible hose) underneath or near the boiler.Slowly open the small valves on the loop until you hear water entering the system.Watch the pressure gauge and close the valves once the needle reaches between 1.0 and 1.5 bar.
Your boiler has detected that the water pressure in the system is too low to operate safely.
Locate the filling loop (usually a silver flexible hose) underneath the boiler.Slowly open the small valves on the filling loop until you hear water flowing.Watch the pressure gauge and close the valves once the needle reaches between 1 and 1.5 bar.
on the Vokera Pinnacle Combi
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 Vokera 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
Avoid the next call-out bill
Monthly cover means no unexpected bills when your boiler breaks down.
Affiliate links. We may earn a commission at no extra cost to you.