Motor Current Error - Zoom

[savagedo]

Flew this morning and toward the end of my flight received twice a motor current error. It was very cold (3 degrees F) so I'm wondering it that caused the error. It did not seem affected but I brought her home immediatly of course. Worried about what that was all about.....

 

[Former Member]

Were you in sport mode by any chance?

 

[savagedo]

No I was not - really just flew and took a video - normal flight mode the entire flight. No precipitation.

 

[Former Member]

Do you remember what % battery that warning came on? Lipo batteries are unpredictable when it gets below freezing outside, and your voltage is low. You might want to keep your flights a little bit shorter and see if you get the warning again. If so, make a note of what % the battery is at, and try to plan to finish your flight way before it gets to that point the next time. I always land at 30-40%. If I got that error message, I would shoot for 40-50% battery.

 

[savagedo]

I was at about 35%

 

[sar104]

If this was a motor current error then it was reporting unexpectedly high current draw by one or more motors, not low voltage. The mobile device DAT file should show exactly what triggered it.

 

[Former Member]

Can't low voltage be caused by a high amp draw? Cause-and-effect relationship

 

[sar104]

Can't low voltage be caused by a high amp draw? Cause-and-effect relationship

It certainly could cause low voltage, but if the current draw were within specification, even if the voltage goes low, then it should not report high current.

 

[Mavic Pro Platinum]

Flew this morning and toward the end of my flight received twice a motor current error. It was very cold (3 degrees F) so I'm wondering it that caused the error. It did not seem affected but I brought her home immediatly of course. Worried about what that was all about.....

Most of it probably had to do with the cold. Lipo batteries don’t do well in the cold.

 

[Former Member]

It certainly could cause low voltage, but if the current draw were within specification, even if the voltage goes low, then it should not report high current.

I was thinking that even a normal current draw, and more if trying to ascend, on a low voltage battery could report a high current draw error message. It depends on the parameters that DJI go set up and interprets as being a high current draw..

 

[Former Member]

I was at about 35%

Do you remember if it was just in level flight or were you climbing or turning? That could make a difference.

 

[savagedo]

Here is a snapshot of my flight data for the first error message They came wihtin seconds of each other. Was in a slow decent from about 300 feet. If there is additional data I can access let me know - I need to learn to do it anyway.

 

[savagedo]

 

[sar104]

I was thinking that even a normal current draw, and more if trying to ascend, on a low voltage battery could report a high current draw error message. It depends on the parameters that DJI go set up and interprets as being a high current draw..

I'm working on the assumption, based on previous logs, that high current is a current that exceeds a pre-determined value. If that's the case then I can't see why a "normal" current draw which would, by definition, be below that level, would trigger that message.

 

[sar104]

View attachment 59993

Without the motor current log values that doesn't give us any extra useful information.

 

[savagedo]

OK - so I need to know how to access and view that data. I can Google search it if it's too complicated for a quick overview here. I'd like you guys to take a look that's for sure.

 

[Former Member]

Based upon your experience, what are the most common causes of the high current draw error message similar to what the OP is experiencing? My experience has shown that people flying in sport mode and using abrupt maneuvers on a full battery tend to get this message.

I'm working on the assumption, based on previous logs, that high current is a current that exceeds a pre-determined value. If that's the case then I can't see why a "normal" current draw which would, by definition, be below that level, would trigger that message.

 

[sar104]

OK - so I need to know how to access and view that data. I can Google search it if it's too complicated for a quick overview here. I'd like you guys to take a look that's for sure.

How to retrieve a V3.DAT from the tablet

 

[sar104]

Based upon your experience, what are the most common causes of the high current draw error message similar to what the OP is experiencing? My experience has shown that people flying in sport mode and using abrupt maneuvers on a full battery tend to get this message.

That's what I've seen too. Full throttle plus full elevator often generates that message. In this case it sounds like it was something else. I'd wonder about icing on the props first. Or perhaps the "high current" value is more than just a simple current value, and does factor in voltage drop. Let's see what the log shows.

 

[savagedo]

I can not for the life of me figure out the DatCon site and how to open DAT files. I used AirData and it basically looks like the same info I posted above. How the heck do I easily view a log / .DAT file on my MAC??