A lot of bad things happening at once.

Sully888 · Mar 30, 2020

So, I'll start by saying I think i'm pretty decent at flying and thankfully so. I have chalked about 13 hours of flight time with this mini and I haven't had any issues until today. I got a weird error I have never seen before. "Battery Data Communication Error". Then after realizing this issue, I'm like I better bring this bad boy home. Well, I soon realized there are now 0 GPS satellites. Ok no biggie, I still have control. So I fly it home and try to land. Nope, not landing. I keep trying but after about 5 or 6 tries, it finally lands in the dirt in front of me. I am kinda skeptical about restarting it without finding out more about this error.

Just before people get judgmental, I went 450 feet to clear power lines just FYI. I know the rules.

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Thomas B · Mar 30, 2020

Is the battery bulged at all?

Sully888 · Mar 30, 2020

Thomas B said:
Is the battery bulged at all?

Not really. It definitely doesn't look like it but when taking it in and out of the mini, there is a very very very small resistance compared to the others. But I would maybe chalk it up to just minor imperfections.

slup · Mar 30, 2020

I think the Battery error & the ATTI mode are related ... at 414,7sec the Battery error occurs & all battery data related stops to update, at 415,7sec all satellites disappears & navhealth goes to zero ... at 416,4 ATTI mode is initiated.

This seems to be some HW related & not necessary the battery ... the DAT log is needed for this. The correct one have FLY003.DAT in the end.

Sully888 · Mar 30, 2020

I have these?

slup · Mar 30, 2020

Sully888 said:
I have these?

No it's none of those ... it should have FLY003.DAT in the end.

And you looked in the same place in the device you flew with as were you had the TXT log but in a subfolder there called MCDatFlightRecords ?

Sully888 · Mar 30, 2020

slup said:
No it's none of those ... it should have FLY003.DAT in the end.

And you looked in the same place with the device you flew with as were you had the TXT log but in a subfolder there called MCDatFlightRecords ?

correct. it was just those three in there.

sar104 · Mar 30, 2020

Sully888 said:
So, I'll start by saying I think i'm pretty decent at flying and thankfully so. I have chalked about 13 hours of flight time with this mini and I haven't had any issues until today. I got a weird error I have never seen before. "Battery Data Communication Error". Then after realizing this issue, I'm like I better bring this bad boy home. Well, I soon realized there are now 0 GPS satellites. Ok no biggie, I still have control. So I fly it home and try to land. Nope, not landing. I keep trying but after about 5 or 6 tries, it finally lands in the dirt in front of me. I am kinda skeptical about restarting it without finding out more about this error.

Just before people get judgmental, I went 450 feet to clear power lines just FYI. I know the rules.

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This is the second time we've seen this pattern.

Battery data communication error

hello, the other day after having zero issues so far in the last month of flying my mini i had the first major one, expectedly. long story short some 5 min in the flight unexpectedly the drone went from some 14 or 11 to 0 satelites, which got accompanied with a battery data communication...

mavicpilots.com

It's quite likely that the battery communication error led to other problems.

And without being judgmental at all - FYI - exceeding 400 ft AGL to clear power lines is not allowed under the recreational exception. If you were flying under Part 107 then no problem.

steve_lyt · Mar 30, 2020

did the battery become loose?

JSmith731 · Mar 30, 2020

steve_lyt said:
did the battery become loose?

I doubt that because the aircraft would have dropped out of the sky. Would it not?

steve_lyt · Mar 30, 2020

I was thinking it was loose enough to cause the error, but not to lose power completely, its just guess

slup · Mar 30, 2020

sar104 said:
This is the second time we've seen this pattern.

Battery data communication error

hello, the other day after having zero issues so far in the last month of flying my mini i had the first major one, expectedly. long story short some 5 min in the flight unexpectedly the drone went from some 14 or 11 to 0 satelites, which got accompanied with a battery data communication...

mavicpilots.com

It's quite likely that the battery communication error led to other problems.

And without being judgmental at all - FYI - exceeding 400 ft AGL to clear power lines is not allowed under the recreational exception. If you were flying under Part 107 then no problem.

Hmm ... an intermittent problem then ... seems that the battery with the error in the thread you linked to was flown later without problems.

Sully888 · Mar 30, 2020

I just took the mini for a spin using a different battery. I also upgraded to 1.0.8 (new app, now with white balance control

). So far no issues.

slup · Mar 30, 2020

Sully888 said:
I just took the mini for a spin using a different battery. I also upgraded to 1.0.8 (new app, now with white balance control ). So far no issues.

Have you tried out the battery you used when the bat error occurred?

sar104 · Mar 30, 2020

slup said:
Hmm ... an intermittent problem then ... seems that the battery with the error in the thread you linked to was flown later without problems.

Agreed. In that case the battery comms error coincided with the DAT file ending, which made further diagnosis rather difficult.