I'll try to make this short.
I first activated my Mini 2 on January 3, 2022 (last month). Ever since after powering on, connecting with the controller, and locking on to GPS satellites, the rear status light will give 6 slow short green blinks, then 2 slow long red blinks, then repeat, even after take off and return. The unit seems to fly without any problems but this is my first drone, so what do I know.
So do the two slow long red flashes indicate a problem?
Searching this forum I found one other user with the same problem (long ago). That thread had no solution. See:
For me the fly app does not seem to indicate a problem.
The manual mainly points to red blinks as a low battery, but my battery is fully charged.
I contracted DJI support and they thought either drone was not on a flat surface or there was an IMU error. After going back and forth with DJI support (different battery, calibrate IMU, flat surface, sample video, etc.) they had me send in the unit for repair.
here is the video of the 'problem'. Note: DJI support said they could not view it (It might take 20 seconds or so to load).
According the info I got from DJI, they replaced the 'Aircraft Core Board Module'. I got the unit back today, first test flight (battery still had 70% left in it after the two weeks). The unit has a new serial number and I had to re-pair and activate the drone to be able to fly.
The Mini 2 is showing the same status light green/red pattern.
I called DJI support and now they want me to do another song and dance.
Is this status light green/red pattern a problem? Any one know what it might indicate? Any suggestions how to deal with DJI to just replace the unit as I first contacted them about the problem less than 10 days after initial activation. I did get the Care Refresh plan, but I hate to use it, this should a be warrantee issue.
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