Fault Codes: BOILER HAS FAULT CODE MEMORY - CLICK HERE FOR INFORMATION
E0 Flow or return sensor fault
E1 Flow temp higher than max temp
E2 Return temp higher than flow
E3 / - - Control unit or earth fault
E4 More than 4 attempts without flame formation
E5 No ionisation or more than 5 ionisation failures
E6 Unwanted flame formation
E7 No water or pump not working