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 attempts.
Check that your gas supply is turned on and other gas appliances are workingPress the Reset button on the front control panelWait for the boiler to attempt to reignite; if it fails again, do not continue resetting and call a professional
Your boiler has failed to stay lit too many times and has locked itself out for safety.
Check that your gas prepayment meter has creditCheck that other gas appliances like your hob are workingPerform a 'Reset' by turning the selector dial to the reset position for 5 seconds and then back to 'ON'
Your boiler has sensed that it is getting dangerously hot and has shut itself down to prevent damage to the internal components.
Check that all radiator valves are fully open to allow water to circulateEnsure the boiler pressure is between 1.0 and 1.5 bar on the pressure gaugeAttempt to reset the boiler by turning the mode selector dial to the 'R' position for a few seconds
Your boiler has detected that there is not enough water in the system to operate safely and has shut down as a result.
Locate the external filling loop, which is usually a silver flexible hose with two small valves.Open both valves slowly until you hear water entering the system.Watch the pressure gauge on the boiler until it reaches between 1 and 1.5 bar, then close both valves tightly.
Your boiler has detected that the water pressure is dropping too low, which is stopping it from working correctly.
Locate the external filling loop (usually a silver braided hose under the boiler)Open the one or two taps slowly to allow water into the systemWatch the pressure gauge and close the taps once it reaches between 1.0 and 1.5 bar
Your boiler has sensed that the water inside the central heating system has become dangerously hot and has shut down as a safety precaution.
Check that all radiator valves are fully open to allow water to circulateEnsure there is enough water pressure in the system by checking the pressure gaugeSwitch the boiler off and back on again after 15 minutes to see if the fault clears
on the Vokera Pinnacle System
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.