Some Causes of boiler failure can vary wildly from a crack in one of the boiler’s cast iron (or aluminium)
sections to a broken seal on the boiler pump.o we’ve outlined some common problems and advice on how to get your boiler up and running again.
power supply on? If not, you’ll need to contact your electricity supplier.Is the boiler gas supply on?
The gas stopcock is on
but no gas is coming through,
you have a gas supply problem and need to call your gas supplier.
have an oil boiler check there’s enough oil in the tank by reading the gauge.
the pilot light has gone out you may be able to
relight it by following the manufacturer’s instructions.
the front panel or in your boiler instruction booklet.
Check whether the gas stopcock is open or not. it’s not, turning it on
will solve the problem by restoring gas supply.
is already open and there’s no gas coming through the stopcock
and will need to call in a gas safe professional to complete the repair.
your boiler model doesn’t have a pilot light,
press the de-blocking button. if that doesn’t work,
is set to the manufacturer’s instructions (generally one bar).
that also doesn’t work (and the central heating pressure is correct),
you either have a gas supply problem
(contact your gas supplier) or you’ll need to get an approved gas safe professinal in for a repair.
dismantle your boiler or alter it in any way.
If you can’t relight the pilot light then
you’ll have to call out an approved gas safe engineer.
central heating programmer in the ‘on’ position?
Try increasing the level of your boiler or
central heating thermostat.
The boiler will only work when the
thermostat is set higher than the room temperature.
Check that the timer on your central heating controls
works and is set correctly. If it won’t switch on you
may have flat batteries or a problem with the power source.
Is the central heating pressure correct?
Check that it’s set to the manufacturer’s instructions (generally one bar). If it is, you
either has a gas supply problem and will
need to contact your gas supplier or a
Gas Safe Register professional.
A condensate pipe carries condensation from your boiler to your outside drain.
During extremely cold weather the condensation in this pipe may freeze and cause a
blockage causing the condensate to ‘back up’ into the
Signs that the condensate pipe may have frozen include your boiler’s display showing a ‘
fault code’ or warning light as well as
gurgling or bubbling sounds coming from the boiler or the condensate pipe.
Condensing boilers with the discharge pipe going to the outside drain are very
common problems that cause boiler failure.
you have tried to solve the boiler failure problem yourself
and it still is not working and
would like us to make a call to repair, please enter your details in the box below or request a callback.…
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Duval Heating 1985 - 2019