BoilerFaultCodesThe 6 most common faults
Your boiler has failed to light because it isn't detecting a gas supply or a flame, leaving you without heating and hot water.
Check that your gas emergency control valve (usually near the meter) is in the 'on' position.Verify if other gas appliances in your home, such as a hob, are working correctly to rule out a network issue.Press and hold the 'Reset' button for 3 seconds to see if the boiler restarts.
Your boiler thinks it sees a flame even though it hasn't turned the gas on yet, causing it to shut down for safety.
Full guide for E02Your boiler has shut down because the internal water temperature has become too hot.
Check that at least one radiator (usually one without a thermostatic valve) is fully turned on.Ensure the blue and red water valves underneath the boiler are in the open position.Wait 10 minutes for the unit to cool down and then press the Reset button.
Your boiler has shut down because its internal temperature sensors are giving conflicting readings and can no longer monitor the heat safely.
Locate the Reset button on the boiler control panelPress and hold the Reset button for 3 secondsWait for the boiler to restart; if the code returns, you must call a Gas Safe engineer
Your boiler has stopped working because it cannot detect the temperature of the water flowing into your heating system.
Press the 'Reset' button on the boiler control panel onceWait 5 minutes to see if the error code clears and the boiler fires upIf the code returns immediately, do not attempt further repairs and contact a professional
Your boiler has shut down because it cannot detect any water temperature information coming back from your heating system pipes.
Locate the Reset button on the boiler control panel.Press and hold the Reset button for 3 to 5 seconds.Wait for the boiler to restart; if the code returns immediately, a professional repair is required.
on the ECA Confeo Premix HST
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 ECA 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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