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hi everyone jeff cote here with
votingtechtalk.com
so we've got a question from a fellow
voter bill and bill recently installed a
7515
solar controller solar controller is a
device that
basically converts all the energy coming
from
a solar panel and giving the batteries
exactly what they need for
the level of discharge because sometimes
our batteries are full and the sun is
shining and sometimes their batteries
are empty
and the sun is shining and the job of
the solar controller is to figure that
out and charge the batteries
at the right voltage doing a three
starch a three stage charging which is
great
all right but the question is here
here's where it gets interesting
so uh bill says oh i know that the
victron 7515 should be
unswitched so good he remembers
excellent
good setup but the bluetooth sometimes
gets confused
and you can't connect with the victron
connect without de-powering the
controller completely and resetting it
i want i don't want to disconnect leads
to do this how would you solve this
great question yeah well first of all
let's put this in context uh bluetooth
is not let's be honest 100 reliable
sometimes you could actually have
configured your phone to connect to a
device in this case a victron 7515 solar
controller
and for whatever reason over time that
connection is not working
so that gets a little bit sort of
tedious and what bill's talking about
here is trying to reset that connection
so the first thing i do you know on a
smartphone is i actually
forget the device on my own phone so
i'll say okay actually forget the 7515
and then what i'll do is i'll actually
repower the bluetooth and i'm going to
say okay
i want you to connect to this new device
and i'll pretend that we're establishing
a new connection failing that
bill's right sometimes it's good to
actually depower a device
and the way you would do that is
actually by removing the fuse and
remember this is
essential there's a fuse located
at the battery and that is
interconnected to the solar controller
so
your batteries are here and your solar
controllers here
there has to be a fuse between those two
devices i'm always harping on that
super important every single circuit on
your boat except the starter circuit
has to be fused it doesn't mean the
starter circuit shouldn't be fused it
means that it doesn't have to
but every circuit on your boat has to be
so the fuse for the solar controller is
right here
at the beginning of the circuit not from
the solar panel perspective and remember
the victron 7515 even has a fuse built
in
that fuses from the solar controller to
the panel so what i would do if i ever
wanted to reset a controller and
certainly on my boat i would actually
remove the fuse
so you should know where that fuse is
for your solar control and if you want
to reset the power without removing any
leads without doing anything crazy
make sure obviously the sun is not
shining and that the solar panel is not
outputting so put a blanket on top
and then what i would do is i would
remove the fuse right so it's going to
either be a sort of an automotive fuse
which is called an ato atc
or it could be a glass fuse but whatever
it is if you
remove that fuse from the circuit now
the controller is going to be depowered
and once it's depowered then you can
reconnect wait a minute
not sure why but a lot of people say
that again maybe some of you on youtube
can share in why is that
but i do that even for my router at home
for internet sometimes i have to
disconnect and i have to
disconnect it for a period of time just
do that 30 seconds
generally even a second is fine but just
you know let everything sort of
go offline reconnect and then your
bluetooth should work
without any problem so great question
bill and thanks for asking
thank you for watching this pys video if
you've got further questions please ask
it below or contact
us on our contact form on our website
and don't forget to subscribe thanks
again for watching
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