Gas
furnaces have a complicated bevy of parts, with the igniter one of
the most important of all. Your furnace may either have a manual or
electronic igniter, but what if neither of them are working? A
furnace repair
specialist may have to be called in to fix it.
Signs
Fixing
up the igniter will require testing the furnace to see where things
went wrong. One sign of a malfunction is when the furnace is up and
running but the machine is churning out cold air. Some models have
the blower fans starting up before the igniter starts lighting to
handle the gas coming in. A flame is often the biggest indicator of
the igniter working normally.
Blown
a Fuse?
A
furnace technician may dig deeper into the machine after shutting it
down completely. For instance, have him test the circuit boards and
the fuse; the igniter may not be working if the fuse is blown. This
affects the sensor, which will put the furnace into safety lockout if
it doesn’t detect a fire. Depending on the final diagnosis, a
replacement igniter may be recommended. However, you should consult
the furnace manual to find out the igniter’s exact specs.
The
igniter is like a bigger version of your everyday cigarette lighter.
Keeping it in good condition will go a long way to a better burn.
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