many household appliances can be
repaired with a simple part that cost
under $1 hi I'm Peter muli founder of
Fixit Clinic a community repair workshop
where we teach people how to disassemble
troubleshoot and repair their broken
consumer electronics and household
appliances we provide fixes coaches and
tools to help guide you through your
disassembly and repair process but even
if the item isn't fixed there's lots to
learn and taking it apart in
understanding why it stopped working a
thermal fuse is an electrical safety
component placed in lots of appliances
if the appliance overheats the thermal
fuse fails cutting off electricity
through the circuit thermal fuses are
found in a huge selection of devices
pretty much any device that heats stuff
up you can also find them in motorized
devices like blenders coffee grinders
and food processors so why do thermal
fuses fail with hair dryers we've seen
lint and hair clog up the intake caused
the internal temperature of the
hairdryer to rise and exceed the rating
of the thermal fuse inside but often it
goes bad for no good reason whatsoever
so how can you tell if your thermal fuse
is blown well the most common symptom is
that your device that's supposed to make
things hot doesn't you might also find
that your device won't even turn on at
all however if this is the case save
yourself some work by confirming that
your devices plug in power cord are good
before you start tearing into it once
you've figured out that you might have a
faulty thermal fuse you can confirm it's
bad by testing its continuity with a
multimeter if the thermal fuse has
failed the multimeter won't be if you
determine that you do need a new thermal
fuse there are a couple of things to
know first they're probably not
available at your local hardware store
but they are readily available and
easily obtainable through ebay it just
may take a little while to get it from
overseas second the thermal fuse will
have printing on it indicating it's
temperature rating in centigrade so make
sure you get a replacement thermal fuse
of the same rating or as close to that
rating as you can get to replace a
thermal fuse you first move the
insulation sleeve out of the way making
sure to save it to put around the new
thermal fuse cut the thermal fuse out of
the circuit close to the component
making sure to save the wires you can
often use the wires to just wrap around
the new thermal
so you don't even have to do any
soldering replace the thermal fuse
recover with the installation sleeve if
there was one and reassemble the device
we hope this thermal fuse fix can help
you keep your item in service for many
years to come if you try this repair
whether you were successful or not
please tell us about your experience by
clicking on the link in the description
below and we hope to see your smiling
face at an upcoming fix-it clinic