Flash Flash On Your boiler has tried to light several times but failed, so it has locked itself for safety.
Your boiler has tried to light several times but failed, so it has locked itself for safety.
What to check first
- Check that your gas meter is turned on and you have credit.
- Check if other gas appliances, like a cooker, are working.
- Turn the selector switch to 'Reset' for 5 seconds, then back to your original setting.
Parts commonly replaced
- Ignition electrodes
- Gas valve
- Printed Circuit Board (PCB)