Intergas Fault Codes

Select a fault code to see its meaning, common causes and how to fix it.

• 11 Fault code 11 on an Intergas boiler indicates that the boiler's control board has detected either a problem with the S1… Read more →
• 4 Fault code 4 on an Intergas boiler indicates that the printed circuit board (PCB) has been unable to detect a flame… Read more →
• 5 Intergas fault code 5 tells you that the boiler's flame sensor is picking up a signal that is weaker than expected —… Read more →
• 6 Fault code 6 on an Intergas boiler indicates a flame detection problem. The boiler's PCB (printed circuit board) is… Read more →