Chip Overheating...cant trust MA2 now.

[nuggetz]

Almost had a disaster on my third flight with my MA2. I have a small yard and like to reset the home point around 50 feet away from me as RTH freaks me out when it returns and it straight over head. Anyways I do my preflight checks and software says my battery needs a firmware update. I let it do that which took a couple minutes tops. I fly around and take a flight and did some general flying and then took a few panos. I get out of that mode and change to high FPS as I’ve been shooting at 24fps and wanted to try high FPS. Shortly thereafter the app says the chip is overheating and to rth. Well rth is now set to a place where I don’t necessary want an auto landing to occur so I tried to cancel rth and move it over my yard and it went back into rth again and tried to land over a power line and it clipped the line on the way down and went off balance but recovered and finally landed. My bad on the rth and I probably need to make sure the home position is in a truly land-able place. . Its not that hot here in Chicago. It’s actually one of the first milder days. I simply do not trust this drone to do any sort of long flights now. There were are a few things that were a bit non-standard about this flight. I removed the SD card last night to look at the contents and didn’t put it back in so the quad copter was using the internal storage which I wanted to test. It’s sat idle for the few minutes that it took the firmware to upgrade on the battery and perhaps that could have contributed to the overall temperature within the drone but I did a fair amount of flying so it should have had time to cool off. I know this is a relatively new drone so I’m wondering if anybody else has come across this chip overheating issue. Perhaps I need to see if the rth during the chip overheating failsafe supports the user cancelling or being able to control the craft to some degree. Seems like I was able to cancel and alter its course but it just continued to go back into that mode as it was determined to get home and land. Anyone know the specifics about this failsafe? Should I have been able to cancel more successfully and was I just panicking or Is that condition up there with the likes of having a battery that is at 1% where the drone doesn’t care what the user wants it to do?

 

[InvisibleName]

Can I just check - are you saying you were flying with only 1% battery remaining?!

 

[nuggetz]

Can I just check - are you saying you were flying with only 1% battery remaining?!

No not at all I was just trying to say that I couldn't seem to override the autoland and was checking if that was possible.

Here are my logs:

	Flight time	Altitude​	Home Dist	Type	Notification
A	00m 00s	0.0 ft	0 ft	Mode	Mode changed to P-GPS
B	00m 00s	0.0 ft	0 ft	Warning	No SD card. Insert card (Code: 10022)
C	00m 00s	0.0 ft	0 ft	Mode	Mode changed to Motors_Started
D	00m 00s	0.0 ft	0 ft	Tip	Setting new Return-To-Home altitude to 20m (66 ft). Data Recorder File Index is 14. Setting new Maximum Flight Altitude to 60m (197 ft)
E	00m 01s	0.0 ft	0 ft	Mode	Mode changed to Assisted_Takeoff
F	00m 06s	0.0 ft	1 ft	Mode	Mode changed to P-GPS
	00m 31s	36.7 ft	62 ft		90% Battery
	03m 25s	169.0 ft	907 ft		81% Battery at maximum distance
	03m 39s	169.0 ft	905 ft		80% Battery
G	05m 12s	47.2 ft	24 ft	Mode	Mode changed to ActiveTrack
H	05m 45s	47.6 ft	27 ft	Mode	Mode changed to P-GPS
	06m 46s	67.6 ft	100 ft		70% Battery
I	06m 59s	68.2 ft	102 ft	Mode	Mode changed to Go_Home
J	07m 15s	68.2 ft	67 ft	Mode	Mode changed to AutoLanding
K	07m 16s	67.3 ft	67 ft	Mode	Mode changed to P-GPS
L	07m 34s	81.0 ft	194 ft	Mode	Mode changed to Go_Home
M	07m 52s	81.4 ft	66 ft	Mode	Mode changed to AutoLanding
N	07m 53s	80.4 ft	66 ft	Mode	Mode changed to P-GPS
O	08m 15s	80.7 ft	65 ft	Mode	Mode changed to PANO
P	08m 36s	79.7 ft	64 ft	Mode	Mode changed to P-GPS
Q	08m 57s	80.1 ft	62 ft	Mode	Mode changed to PANO
	09m 49s	80.4 ft	63 ft		60% Battery
R	09m 53s	80.4 ft	63 ft	Mode	Mode changed to P-GPS
S	11m 37s	78.4 ft	145 ft	Mode	Mode changed to Go_Home
T	11m 38s	78.7 ft	143 ft	Warning	Aircraft processor overheated. Automatically returning to home (Code: 30185) No SD card. Insert card (Code: 10022)
U	11m 47s	79.1 ft	79 ft	Mode	Mode changed to AutoLanding
V	11m 48s	79.1 ft	76 ft	Warning	No SD card. Insert card (Code: 10022)
W	11m 56s	54.8 ft	72 ft	Mode	Mode changed to P-GPS
X	11m 57s	54.5 ft	72 ft	Mode	Mode changed to AutoLanding
Y	11m 58s	52.5 ft	64 ft	Mode	Mode changed to P-GPS
Z	11m 58s	52.2 ft	63 ft	Mode	Mode changed to AutoLanding
a	12m 00s	47.2 ft	37 ft	Mode	Mode changed to Go_Home
b	12m 01s	46.6 ft	35 ft	Warning	Aircraft processor overheated. Automatically returning to home (Code: 30185) No SD card. Insert card (Code: 10022)
c	12m 13s	49.5 ft	66 ft	Mode	Mode changed to AutoLanding
d	12m 14s	48.9 ft	67 ft	Warning	No SD card. Insert card (Code: 10022)

 

[Crwrek]

Living down here in Florida, with 90+ days all the time, This would cause me to worry, I seem to remember a heat problem with the M2P is the reason they don’t do 4K60. I wonder if when this alert sounds, does it shut off video recording, and any non essential processes in hopes of cooling down. (What would have happened had you been 3 miles away (with the proper waivers)

 

[nuggetz]

Just wanted to provide an update. Had a few more flights where I was mainly hovering around close by in case the overheating re-occurred but I didn't encounter it again. Still, didn't want to push it. Gave DJI a ring and told them about the issue. They asked me to confiirm that the fans were spinning when the craft is powered up and sitting idle which it was. Long story short, they're just gonna replace it. Been less than 15 days so I opted for the replacement instead of repair but I'm wondering if a repair option would be better than rolling the dice on a brand new unknown unit. But going the repair route means someone has opened the bird up and started poking around so not sure if that's any better. Just wish we could all fly with confidence but I dont think its possible unless we're flying a fully redundant drone with 3 IMUs, GPSs, and compasses and enough motors and props to bring her down in case something fails. Add a parachute too and I'd be in business.. Every single time I fly something happens that makes my heart rate jump

 

[mavicn00b]

not sure if it helps but the Mavic Air 2 has no redundant IMU unlike the previous model. Hope this sort of behavior is not common place