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Zenmuse GH4 upgrade IMU 1.12
4207 21 2015-4-8
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Drone effect
lvl.2
Flight distance : 34432 ft
France
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Hello,

I open a new thread for a new problem. My old : http://forum.dji.com/forum.php?m ... e=1&extra=#pid74210

Today I open my gimbal assitant and I see a new update for IMU (1.8 to 1.12). Happy because in the release note, it's for user with drift skyline !

After upgrade, you can see the result :

I'm not the one :

Plz Help me, now my S900 is completely out.



FL

www.droneeffect.fr

2015-4-8
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knarfboy
First Officer
Flight distance : 494508 ft
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Germany
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You have the older short legs on your landing gear. Write to Support@dji.com and ask for the longer legs.
2015-4-8
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Drone effect
lvl.2
Flight distance : 34432 ft
France
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they will exchange me for free?

I tried to raise the S900 but I have the same result



FL
www.droneeffect.fr
2015-4-8
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lenakakis123.ya
lvl.3
Flight distance : 178058 ft
Singapore
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I think is problem on IMU board after update to 1.12

Christian
2015-4-9
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Drone effect
lvl.2
Flight distance : 34432 ft
France
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Yes I think the same.
No crash or brutal landing, just operate a upgrade. But I need a solution.

FL
www.droneeffect.fr

2015-4-9
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DJI support 8
Second Officer

Hong Kong
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Drone effect,  1. please check you f/w are already the latest, GCU 2.4, imu1.18, cmu1.2
                       2. Try  the following method after gimbal self-calibration and initialization                            calibration.jpg
2015-4-9
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Drone effect
lvl.2
Flight distance : 34432 ft
France
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Hello,
Zenmuse and A2 are up to date.
If you see my video, , you can see I try auto-calibrate after initialization. Motor beep twice but never ending with four beep.
I have try many times,  with and without GH4, landing gear sur-elevate or not. Gimbal stay crazy.

FL
www.droneeffect.fr
zenmuse.png
A2.png
2015-4-9
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lenakakis123.ya
lvl.3
Flight distance : 178058 ft
Greece
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On Zenmuse pictures your GSU say v2.1 ????????????????????

Christian
2015-4-10
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Drone effect
lvl.2
Flight distance : 34432 ft
France
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What ? you want to say GCU ? it's 2.4


FL
www.droneeffect.fr
2015-4-10
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lenakakis123.ya
lvl.3
Flight distance : 178058 ft
Greece
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Yes, sorry now I open the image and say 2.4 in the standard ( small ) is not so clear in my pc.
Here is the video with auto-calibration .



Christian
2015-4-10
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Drone effect
lvl.2
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France
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I know this video. But as you can see in my video, is not working when gimbal is crazy. Motor beep twice but never four time.


But thanks to try help me.

FL
www.droneeffect.fr

2015-4-10
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Drone effect
lvl.2
Flight distance : 34432 ft
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I've got 4 RMA number. 59171, 58135, 58136, 56427

I've got only one answers :

Hello F... L...,

We'd love to hear what you think of our customer service. Please take a moment to answer one simple question by clicking either link below:

How would you rate the support you received?

Good, I'm satisfied

Bad, I'm unsatisfied

FL
www.droneeffect.fr
2015-4-13
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Desartstudio
lvl.1

Italy
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i have the same problem when i have make the update



No make the calibration, i have try some in the video whit the change mode... i have 2 beep, but remaining in the same position for minute
:@:@:@:@:@:@:@:@:@:@:@:@:@:@:@:@:@:@
Schermata 2015-04-13 alle 22.45.52.png
Schermata 2015-04-13 alle 22.50.57.png
2015-4-13
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Desartstudio
lvl.1

Italy
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No solution?
Not news firmware patch release?
2015-4-16
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Drone effect
lvl.2
Flight distance : 34432 ft
France
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no solution, Dji refuses to answer the mail or on the forum for two months.



FL
www.droneeffect.fr
2015-4-16
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wynand.flightpa
lvl.1

South Africa
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Our Zenmuse Z15 GH4 Gimbel also went haywire after the update to 1.12, it was perfect on version 1.8!!

Is their anyway to roll back to the older version.

Their is some youtube video showing you can press upgrade and it actually downgrades to previous version, but that is not working this side.

Please I need urgent assitance!!
2015-4-18
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petrhejl1
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Flight distance : 5869052 ft
United States
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RE: Zenmuse GH4 issue after upgrading IMU to ver 1.12

Zenmuse Z-15 GH4 IMU firmware ver 1.12 upgrade problem!

I have attempted to upgrade my Z-15 GH4 to IMU firmware version 1.12 (also GCU firmware to ver 2.4). My gimbal worked fine before this, with only a slight roll drift (after pan), which this upgrade was supposed to help with.
However, here is what happens when I turn the gimbal on after the upgrade:
- the gimbal initializes, then pans around and stops facing to the starboard (right) side of my S-900.
- the gimbal will still stabilize when moving the aircraft.
-the gimbal will “loose its mind” and start moving erratically, in some cases on its own, in some cases when attempted to move it using the RC controller. Seems like the gimbal IMU is malfunctioning.
-I attempted to initialize auto-calibration (a feature offered by this latest firmware upgrade) by toggling the mode stick a few times. The gimbal beeps twice, suggesting that the auto-calibratin has began, then it moves a little, and goes back to facing starboard, only now “frozen" (no stabilization, no reaction to the stick input). It never beeps four times to signal the end of auto-calibration (I tried waiting for up to five minutes, but to no avail).

Here is what I tried to trouble shoot the problem:
- Re-loaded the GCU and IMU firmware several times, and made sure I have the latest versions (GCU 2.4, IMU 1.12, CMU1.2, HD-AV 1.18).
- Checked if my A2 firmware was up-to-date (no updates available, A2 firmware on 2.4, all the other firmware in latest versions).
- I use the iOSD MarkII, and made sure the firmware on it is also up-to-date.
- Tried connecting the gimbal to both CAN1 and CAN2 ports on the A2.
- Swapped the gimbal for another one to see if there may be another issue (cable, etc.), the other gimbal works good.

Has anyone else experienced this  and are there any known remedies?

Here is a link to my video describing the issue:


2015-4-20
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wynand.flightpa
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South Africa
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wynand.flightpa Posted at 2015-4-18 17:29
Our Zenmuse Z15 GH4 Gimbel also went haywire after the update to 1.12, it was perfect on version 1.8 ...

Guys, I contacted support@dji.com on Friday and received a reply from them on Monday afternoon with some tips (none of which worked). They then offered on Tuesday to downgrade the IMU firmware from 1.12 to 1.8 which they did a few minutes ago ...

VOILA !!! One gimbal working again !!!

The downgrade is done using the Gimbal assistant, but they activate a special login that enables them to downgrade to 1.8. So only DJI can do it at this stage.

I for one (yeah !) got some decent support from DJI.
2015-4-20
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charlesnlinley
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Flight distance : 46040 ft
Australia
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wynand.flightpa Posted at 2015-4-21 15:27
Guys, I contacted  on Friday and received a reply from them on Monday afternoon with some tips (no ...

Hi I have same problem as you but my gimbal is DOA. DJI did not test this gimbal before they send it. Can you remember the login as i want to fly with my new gimbal today? Can you please send me login details?
2015-8-25
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danysery1
lvl.1

Ivory Coast
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wynand.flightpa Posted at 2015-4-21 07:27
Guys, I contacted  on Friday and received a reply from them on Monday afternoon with some tips (no ...

Can you please send me login details?
2015-9-1
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NEKTARIOS
lvl.1

United States
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Please the login details for downgrading as it seems that this is the case.

Thank you
2018-9-28
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DennisMurry08
Captain
Flight distance : 5442736 ft
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I downgraded the GCU to V1.4 ..it was the only version that I could get to work and its worked fine ever since....I didnt see your post until just now
2018-9-29
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