green light flashes rapidly Your boiler is attempting to start but failing to stay lit, which means it cannot provide heat or hot water reliably. This is likely due to the system detecting a failure in the ignition process.
Your boiler is attempting to start but failing to stay lit, which means it cannot provide heat or hot water reliably. This is likely due to the system detecting a failure in the ignition process.
Parts commonly replaced
- Ignition electrode
- Gas valve
- Printed Circuit Board (PCB)