Fault Guide
Boiler Won’t Ignite
Possible Causes & Next Steps
Ignition faults are a common reason for boiler breakdowns, especially during cold weather.
Common Ignition Fault Causes
- Low system pressure
- Faulty ignition electrodes
- Gas supply issues
Safe First Checks
Checking pressure and performing a single reset may resolve minor issues.
Frequently Asked Questions
Is it safe to reset the boiler? +
One reset is usually safe.
Why does it keep failing to ignite? +
Underlying faults may exist.
When should I call an engineer? +
If the fault repeats.