BoilerFaultCodesThe 3 most common faults
Your boiler has detected that it is getting too hot and has paused operation to prevent damage.
Check that all radiator valves are open to allow water to flow.Ensure there is enough water pressure in the system by checking the gauge.Turn the boiler off and back on at the main power switch to reset the sequence.
Your boiler has lit correctly but the flame has unexpectedly gone out, which often means the system isn't getting enough fuel or the sensor can't tell the fire is lit.
Check if your gas supply is active by testing another gas appliance like a hobEnsure your gas meter has credit if you use a prepaid meterSwitch the boiler off and on again using the main power switch to see if it resets
Your boiler has failed to ignite after several attempts and has locked itself out for safety.
Check that your gas emergency control valve is in the 'on' position and you have credit on your meter.Ensure other gas appliances in your home, such as a hob, are working correctly.Turn the selector switch to the 'Reset' position for five seconds and then back to the 'Run' position.
on the Potterton Titanium Heat
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 Potterton 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.
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