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Motor overload and Critical voltage

Joined
Jun 11, 2015
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Hi all,

I've been getting the two warnings which is a real nightmare I have 3 days of shooting later this week. One of them is a really good client so need to sort it out asap...

I have been using 5 batteries and had errors on 3 of them so thinking its not the batts... I had two good flights today then three test flights which were just hovering all three went critical and landed. I have an x5 and the original motors not the upgrade. I have been told it can be the battery contacts, which I need to clean. Had an issue last night and then went testing tonight same error on three of the batteries so I think its the drone now :/

Any advice would be great on a systematic way to resolve this. I'm a electrician so I can get stuck in if need be.

Thanks

Scott
 
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Hi all,

I've been getting the two warnings which is a real nightmare I have 3 days of shooting later this week. One of them is a really good client so need to sort it out asap...

I have been using 5 batteries and had errors on 3 of them so thinking its not the batts... I had two good flights today then three test flights which were just hovering all three went critical and landed. I have an x5 and the original motors not the upgrade. I have been told it can be the battery contacts, which I need to clean. Had an issue last night and then went testing tonight same error on three of the batteries so I think its the drone now :/

Any advice would be great on a systematic way to resolve this. I'm a electrician so I can get stuck in if need be.

Thanks

Scott
Make sure the same firmware that is on the bird is also on all of your batteries, second, pull up battery voltage when you are flying to see what the voltage on the cells are .
 
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Highly doubt it's the contacts. Bad design from the start. Hadn't dug too deep yet but try this from the manual. Had the same issue with 1 battery (has 10 cycles). I've had "motor overload" nearly a dozen times. Could have been the 30 to 40F temps. I completely drained the batteries except for that 1, which made an emergency "low voltage" landing with 90%ish charge. I've drained that one now but the weather has been too terrible to test it. Watch the cell voltage closely.

The batteries REQUIRE a complete discharge and recharge so that the parallel cells contain the same output. Well, that's my assumption - just like any battery.
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i had the overload warning repeatedly only during two flights which during the App vs iOS firmware conflict nightmare, it was also accompanied with a sudden 40% to 0% battery emergency landing, fortunately happened when I was sussing out the conflict and bird was literaly a stone's throw away, in fact I was getting ready to throw a rock to it and give it all up, very frustrating period. I would make sure the app/iOS if you are using apple and firmware are at the latest, that's where I am and all has been perfect last few flights.
 
I had the same thing happen,, original motors and put on an X5... same neighborhood, same batteries... i just chalked it up to cooler temps, the extra 1.1 lb hanging of the front, and stronger winds at altitude that i wasnt really aware of... and the drone was simply working harder to maintain position... i would recreate scenario... and throw the X3 on... bet it doesnt happen.... 2 cents!!best wishes!!!
 
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If you have the original travel case from DJI make sure the quick release prop mounts are not chewing the top padding of the case. Bits can end up inside your motors. I suggest a little compressed air to clear any debris.
 

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