What is a boiler lockout?
Boiler lockout is a term used by the boiler
manufacturers, this means that the boiler has shut down due to any fault or
anything which is not under the parameter of the boiler. If you are experiencing
the boiler lockout you can press the reset button visible on the boiler. This
can help the boiler to prevent from lockout.
What are the common faults that lead to lockout?
- Faulty pump
– Pump can blow seals or seize.
- Low/high water pressure
– though 1.3 bars is normal and most of the boilers lock out if they get below
0.6 bar or above the bar. However for specified bar you can check your boiler
- No electricity–
with no power, it could be due to the failed display board , a blown fuse or a
- System blockage
– most of the times in cold wintery days, the pipes get freeze and thus results
in the system blockage.
– most of the boiler filed after 3 continuous ignitions attempt. So , check the
ignition leads and probe.
- Heat exchanger blockage
– if you hear any whistling noise coming from the boiler, then there is chance
that there is lime scale build up on the heat exchanger which needs to be
However, problem in the
boiler igniting can be due to some reasons. It can be
- Gas leaks
- Carbon Monoxide
you might be thinking, how you would get to know about the reason behind fault
in the boiler ignition of your boiler.
can check it by
your boiler pilot has gone out, than you should smell the air or the gas. If
you think that there is presence of gas in the air, immediately open all the
windows of you home. This might be because of the leak in the pipes. Call your
gas supplier as soon as possible and ask him to check all your gas pipelines.
for carbon monoxide
if there is no gas smell in the air. But there is a triangular symbol visible
near the pilot light; you should leave your house immediately. As this is
dangerous to your health and can cause headache, nausea and loss of
consciousness. Call the expert for the immediate assistance.
these are the usual reasons; there can be more reasons for the fail to ignite
of the boiler.
reason could be no gas supply to your home. It can be possible due to the gas
meter being turned off or out of the credit by your gas supplier. What you can
do is, try to test any other gas appliance. If your other gas appliance is
working properly than there is a problem in your central heating system only.
it happens that the problem of igniting the boiler lies in the spark
electrodes. The spark electrodes can wear out over time which needs to be
replaced now. For this replacement, you can contact the engineer or the company
from which you have bought the boiler.
now all the boilers are coming with the condensate pipes, which help to send
waste gases outside and down a drain. Due to the cold wintery environment, the
pipes could often freeze which results in the blockage. Hence it makes the
boiler to stop working.
After knowing the reason behind the ignition
lockout, you need a solution of how to fix boiler ignition lockout? You just
need to follow these easy steps:
and fix the fault
You will need to
diagnose the fault code before moving to the reset option. As sometimes
multiple resetting will lead to a bigger fault in the boilers.
Mostly the new and updated boilers have the reset
button on the boilers display. This will be located where the fault code is
and hold the reset button
Now you need to press and hold the button for around
3- 10 seconds
for the boiler to fire-up
Boilers take time for the ignition after the reset
as they need to go through a reset sequence. Therefore, this could consume 5-10
minutes. Wait patiently.