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Remote stuck in "connecting" mode.

Lohmatij

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Mar 24, 2017
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So I received a new Mavic, got it from the box and remote was always in "connecting" mode. I tried to plug in my iPhone but it didn't see the remote either.

That was the first time it happened and that's how I fixed it:
1. Connected RC to my Mac and Launched DJI Assistant 2 app.
2. Downgraded firmware to 03.0400 and it succeeded.
3. Upgraded to 03.0500 and it failed.
4. Repeated steps 2&3 around 5-7 times, and then it finally succeeded. I'm not sure what changed during the process.
5. Upgraded to 03.0550 and was good to go.

Then, few days later 03.0600 came out. I upgraded with DJI Go app on my iPhone and it succeeded. I used my drone for a week after that.

Then, I started my trip to Ecuador and just when I arrived here I noticed that my RC is again in this weird "connecting" mode. It doesn't connect to the drone, doesn't connect to my iPhone, doesn't enter the pairing mode through C1 and C2 and shutter buttons. On the other side the remote DOES charge my iPhone (when it's working normally, it doesn't charge it). Drone is still working over wi-fi connection, though.
So I fire up DJI Assistant on my Mac again, it takes 5 hours to download 03.600 firmware over crappy wi-fi. I'm able to just "Refreshe" it and it succeeds from the first try. So I'm good to go... but only for 2 days.

So, 2 days later I get my remote out of the bag, and holy glory, here we go again, this bloody glitch is back. Remote is AGAIN in "connecting" mode. I come back home hoping to revive it through DJI Assistant app on my Mac, but this time it doesn't work. No matter what firmware I choose (I tried, 03.0400, 03.0550, 03.0600), it always fails the update/downgrade, always at 20%. Sometimes the app warns me that there are "inconsistencies in remote modules", and offers me to fix the issue by updating the firmware. If I agree it successfully goes up to 100%, and firmware seems to be updated, but it doesn't fix the glitch. I tried changing USB cables and usb ports on my mac, but nothing helps.

I also did find DJI Assistant logs on my mac, and I can see that successful update logs from before are different from the logs I'm getting now.

Does anyone has any idea what else can I try?
 
All right, after 2 days of worthless attempts to revive my RC, I stumbled upon Assistant app logs. I noticed that internal RC firmware consist of 3 parts, and here is how they load up:
"Remote_radio (6 :0) device no reply, request timeout!
Dm368_ground (13:1) Ldr : 1.5.0.20 App : 1.5.0.20
Ofdm_ground (14:7) Ldr : 0.0.0.0 App : 47.26.2.8 "

So, looks like "Remote_radio" is not loading up properly.

I tried to wait, and presto, after around 5 minutes this module started to work and here is the output I've got:
"Remote_radio (6 :0) Ldr : 8.0.0.9 App : 0.0.1.27
Dm368_ground (13:1) Ldr : 1.5.0.20 App : 1.5.0.20
Ofdm_ground (14:7) Ldr : 0.0.0.0 App : 47.26.2.8 "

I tried to upgrade to 03.0600 firmware at this point and it successfully finished! After this upgrade the RC is now able to connect to my iPhone and I can see it's firmware version in DJI go app (but serial number is hidden). I can calibrate remote too. The iPhone is not charging from remote anymore.

Unfortunately it's still in "connecting" mode. I'm trying to activate binding, but it doesn't work, neither through the app, nor through C1+C2+Record++Shutter button combination.

Well, checking what else I can do...
 
Hi, I'm having the same issue with my remote, stuck in "connecting" since upgrading, although I can't connect with the PC assist either so I'm getting nothing.

Have you had any further progress with your issue and I'm hoping you found a solution?
 
Hello, I am new to all this, but had the EXACT problem you described. Called customer service, waste of time. I then sent it back to DJI, (it was still under warranty), they said the circuit board in the controller was bad, they replaced it, seems to work fine, so far. My problem started with the "failed upgrade", and I had the same "sometimes it worked, sometimes it didn't" problem
 
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I then sent it back to DJI, (it was still under warranty), they said the circuit board in the controller was bad, they replaced it, seems to work fine, so far.

Sounds like I'm heading down the same path.
 
Hi, I'm having the same issue with my remote, stuck in "connecting" since upgrading, although I can't connect with the PC assist either so I'm getting nothing.

Have you had any further progress with your issue and I'm hoping you found a solution?
I had to send it back to DJI, they fixed it for free.

I don't know if it will help, but now it's possible to turn on "debugging mode" in DJI Assistant for PC/Mac. There you can check what firmware each module in your remote is using. Probably you can get some clues there, but if you are in US, fixing it with DJI should be more reliable and faster way.
 
I had to send it back to DJI, they fixed it for free.

Spoke with DJI this morning and they've raised a ticket, sending it back in, it's still under warranty so yep, agree the easiest way to resolve.
 

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