hi there everyone this is going to be a quick tutorial on how to fix a compass not calibrating
on a mavic pro but i've done this on a spark a mavic air mavic 2 pro many other drones so
what happens a lot of times is when you move or you put your drone into the bag and there's
some static that builds up and essentially it's causing the drone to get magnetized now once it
gets magnetized it's very difficult for the compass to obviously calibrate now lots of
times you're going to see that when the camera is at a 45 degree angle in the app you're going
to notice that it is at its worst so compass 2 is always going to be very bad so while you're flying
everything is great it's calibrating everything's working normally but when you tilt the camera down
that is when you might see uh magnetic interference or it actually loses gps completely
it actually goes into redundancy mode so it's quite scary when you're flying so when you have a
mavic pro especially or mavic air or any of those drones that um you have a problem calibrating the
compass with it's almost always because in some way it is magnetized in in some way so typically
you've put into a bag there's lots of friction on it or something like that and that's the picture
how it works lots of times i've also seen guys put their drones in their bags close to a subwoofer in
the back of their car or something like that and that's also going to cause it to get magnetized so
here you guys can see i've got a demagnetizer you can buy from a watch shop or something like that
and you can get it online and all you need to do is you need to take this the magnetizer you
can see the lights going on off there and what you're going to do is you're going to drag it over
or put it around the nose of the drone and then you're going to move further and
further and further away i know it looks quite weird but you're going to do it from the front
further further further and further away and i do it quite a few times sometimes
from all over the drone itself typically only the nose but if you've got a problem with compass one
at the back you can do it at the rear of the drone as well but in most cases the issues could be
prevalent where the gimbal is because as you guys can see that piece of metal gets close to the top
and it's the closer it gets the more magnetized or issues are going to result or pause for your
um compass at the top so you guys can see i'm just doing it one more time
and this is not to say that it's going to work the first time this particular drone i've had
to do about five times over so i was lucky the first time i did it the compass calibrated but i
always calibrate the compass two times just to be sure that it can calibrate twice because
sometimes you just are lucky so in this case i calibrated the compass once it worked great
immediately afterwards i tried to do it again and it did not calibrate you can try and calibrate
the compass naturally and a lot of guys do the whole dance thing which i think is silly
the best way to calibrate the drone is to keep the gps location exactly where it is and you can
do the whole pivot like that once the app says you change it the funny thing about the mavic
pro is if they the picture actually says you must hold like this but typically it's either nose up
or nose down and then you would do it on the same location again now once that's done it should say
compass complete but many times the only way to do it is to do it multiple times over because it
keeps failing and then you can try doing it this way around and then also try doing it this way
around if you get your compass calibrated that's fantastic but the best way would always be to do
it at the same location and once that's done nose up or nose down and you do it this way around if
it calibrates that's fantastic then it's working but in this scenario this drone just didn't want
to catabol i've calibrated five or six times over it just didn't work okay so i did the demagnation
tried to calibrate it didn't work then i tried to do it again but every single time i could
see the compass interference in the app just starting to get a bit better and i'll show you
a screen recording um of me trying to calibrate it as well it would just fail constantly
but then i would just grab it again run over the drone multiple times and then again from the front
again further and further and further away just to decrease the magnetization field
and then it worked so this is not just a if you're lucky it's going to work the first time but in
most cases you're going to have to calibrate um the compass quite a few times you're going to have
to de-magnetize it quite a few times and then you will be lucky to get your compass sorted out so
in many cases it's not a faulty compass it's just a magnetized gun so the easiest
thing to do get yourself a demagnetizer i got this from a watch shop here in cape town and
it's been working for me oh since then i've got it it's literally saved hundreds of mavic
lots of times the guys are going to come in saying listen like don't just calibrate please help me it
needs to be repaired you take this over it's five minutes and your campus is sorted so if you guys
have um any compass calibrating issues the first thing i would do is get yourself a be demagnetizer
and run through the whole process of de-magnetizing it and then once you've
de-magnetized it try and calibrate it naturally if it doesn't work the first time demagnetize again
and again and again and again like that so this drone like i said i had to do it like five or
six times over i went outside calibrated again where there's no metal or anything like that
then came back in again demagnetized went outside again over and over and over okay
so the conclusion is get yourself a demagnetizer demagnetize your drone and you will be better off
as you guys can see compass 2 is not doing so well it's just good to do a calibration and you
saw the vision system error just ignore that it's quite dark outside i still have to calibrate the
vision sensors but going through the calibration steps now outside not close to anything metal
is still going to fail and that's because it's magnetized so the only way to fix this is to use
the demagnetizer and go over the drone with the d-magnet so you will start at the top where the
compass number two is and then you move over to the front of the camera and each time you do it
you'll go in circular motion further and further away from the drone itself now once this
demagnetization has completed or the process has you will notice that the compass in the app is
completely screwed it could be read all over don't worry too much about it you don't break anything
the only thing is is the compass is now completely out of work and you need to calibrate it again
so once you calibrate again it's not always going to be fine the first time it might need two or
three calibrations but in my case in my experience you would demagnetize the drone then you try and
calibrate the compass and if it doesn't work you would demagnetize again and try the process again
and calibrating and so forth so the whole purpose of this is is to see if you can get
the compass down to a more acceptable level and where it's a bit more balanced so typically you
want the top one and the bottom one to be close to each other and it shouldn't be that the one
is much larger like compass number two it's almost always out of whack compared to compass number one
so demagnetize try and calibrate if it calibrates that's fantastic calibrate immediately after it's
again to see if it's working properly if it works properly then you're done if it
doesn't it most likely means that you have to do the demagnation again a few more times
so hope this helps you guys put out your mavics or phantoms or mavic airs and so forth
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