Questions tagged [troubleshooting]

Use this tag if you are looking for help with a problem. Remember to post as much detail as possible, including what you have tried so far.

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11 votes
2 answers
735 views

Freshly built quadcopter/drone flips on takeoff

I just finished building my first quadcopter/drone and it flips when I try to take off. What could be wrong? What troubleshooting steps should I take to fix it?
tavis's user avatar
  • 751
10 votes
1 answer
253 views

Drone wobble/bounce while flying

I recently gave my newly built (with old equipment) its first flight. As you can see throughout the video there is a wobble as I fly. https://youtu.be/foo7Tw1gYNY I am running an SP Neo F3 FC with ...
Jordan Gleeson's user avatar
9 votes
2 answers
1k views

One motor on quadcopter broken

I have a small quadcopter and I realised one of the motors does not turn electronically, meaning it can't fly properly. There is no visible sign of something stuck in the motor, like some string or ...
user avatar
8 votes
2 answers
390 views

How to keep my prop from flying off my motor?

After finally getting every piece on my plane to work, another piece decided to be a problem. Great. My problem is pretty much already summed up in the title, my prop keeps flying off my motor, and I ...
Ceramicmrno0b's user avatar
8 votes
1 answer
216 views

Image stutter in MAVIC Air 2 recordings

I noticed this persistent image stutter with some of the footage recorded by my brand new DJI MAVIC Air 2. Especially the long first shot of the video shows the issue when you look at the faster ...
youngpilot's user avatar
7 votes
1 answer
3k views

Can a receiver get damaged if you power it up without an antenna?

My r-xsr receiver short circuited after a crash recently. When investigating the reason, I found two things; The filtering capacitor had come loose, as well as one of the antennae on the r-xsr. Since ...
Hannes Hultergård's user avatar
7 votes
3 answers
2k views

How to fix OSD flickering?

I just changed my Diatone R349 flight controller because the old one broke. On my first test flight, I noticed the OSD is flickering very bad, sometimes losing it for more than 1 second, even when not ...
JoRouss's user avatar
  • 343
7 votes
2 answers
10k views

How to reset connection between drone and RC for MAVIC Air 2

My new dji Mavic Air 2 arrived, but it was not connected to the remote control as it is supposed to be connected upon arrival. I then tried connecting it manually following the on-screen instructions ...
youngpilot's user avatar
7 votes
1 answer
2k views

Grinding sound on FPV motor but no apparent damage

I have been testing a new brushless motor for an RC plane. It is a 2200KV motor controlled by a 30A BLDC ESC. I heard a grinding noise coming from my motor, as demonstrated in the following video: ...
frc_contributor's user avatar
7 votes
2 answers
112 views

DJI F450 ESC calibration fail

everyone. I am building a DJI F450 clone. I've got everything attached except for the propellers. The Pixhawk connects to my mission planner via USB. The remote controller is paired with the drone. ...
Boris K's user avatar
  • 171
6 votes
1 answer
188 views

FS RX2A Pro Receiver Not Working

I'm building a drone for the first time following the Prusa tutorial (https://blog.prusaprinters.org/how-to-build-a-3d-printed-micro-drone/) but couldn't get the RC receiver to work. I got my receiver ...
square potato's user avatar
6 votes
1 answer
594 views

DJI FPV Air Unit mistakenly declares "slow card"

Getting a slow sd card in my DJI goggles screen indicating the message for the air unit. Using a 64gb SanDisk Extreme Pro Card.
Rotor Rudy FPV's user avatar
5 votes
1 answer
250 views

DJI Mavic Mini 2 can't record 2.7k 60fps after update

As announced, DJI Mavic Mini 2 should support 2.7k 60fps. I have the latest update of 01.02.0300 but still do not see the option. Does anybody have the same problem ? Thank you!
JZK's user avatar
  • 153
5 votes
1 answer
2k views

How to PID tune a 10" drone?

I have a 10" inch drone that I have trouble tuning. On the default Betaflight PIDs it feels really unstable, and I have tried to raise P, I and D both together and one by one without noticing much ...
Hannes Hultergård's user avatar
5 votes
1 answer
87 views

Why does motor not want to go above 2/3 thrust?

This is related to my past ESC troubles. See link for some flight history. I tried the recalibration as suggested by ifconfig, which sadly didn't work. But now the motor will not go above 2/3rds ...
Ceramicmrno0b's user avatar
5 votes
1 answer
237 views

How to recognize damaged brushless outrunner motors?

I would like to know how to recognize damaged brushless motors on a drone? What are the most common symptoms?
Ziem's user avatar
  • 579
5 votes
2 answers
291 views

Video being indexed on SD card, but no duration time and no actual video recorded

I am using an HS-Series Holy Stone drone. I was able to get one video recording, but every subsequent video recording indexes the recording, but no duration time, and no actual video in it even when ...
Daniel's user avatar
  • 153
4 votes
1 answer
371 views

How to debug a non-working Eachine E010?

I have two Eachine E010 drones. One drone (green color) stayed outside for a night with rain. I inspected the circuit board and it shows no damage: no cut cables that I could solder, nothing corroded. ...
emonigma's user avatar
  • 141
4 votes
1 answer
667 views

ArduCopter motor spins at full throttle when armed

When I arm the drone the motors start rotating at some throttle percentage may be (7%) and the drone will automatically disarm after 14sec and again the process repeats after I arm the drone. After ...
Venkatesh Talacheeru's user avatar
3 votes
2 answers
760 views

Motor will not go above half thrust. Why and how to fix?

I fixed the esc of my aircraft, but now it won't go above half thrust for whatever reason. Here is a short record of the electronics in the craft; Crashed twice, broke esc, soldered 3-pin ground ...
Ceramicmrno0b's user avatar
3 votes
3 answers
832 views

Beeper beeps if transmitter is turned of even if it shouldn't

I have turned off all beeper sound signals in Betaflight Configurator, but the beeper still beeps if the transmitter is turned off. I thought that that shouldn't happen when RX_LOST was turned off or ...
Hannes Hultergård's user avatar
3 votes
1 answer
94 views

(Beginner) I have a Radiolink Mini OSD with a not so clear schematic. How do I know if it can handle the input voltage needed to power my VTX?

My VTX and FPV camera can both handle my battery voltage (6V-36V input for the VTX and 4V-25V input for the camera). My mini OSD, unfortunately, only has an input voltage of 4v-6v and an operating ...
thouxan's user avatar
  • 43
3 votes
1 answer
487 views

Video breakup problems with high power using The Force VTX?

I normally fly with my VTX on 200mw but sometimes I need it to be more powerful. Whenever I turn it to a higher power setting, though, the video becomes worse. When I set it to 600mw, the video seems ...
Jacob B's user avatar
  • 5,802
3 votes
2 answers
91 views

Does the LaForge V3 Fat Shark Receiver receive audio from VTX?

I installed the Mach 3 VTX that has a built-in mic for audio that is transmitting to the LaForge v3 receiver in my fatshark dominator v3 goggles. Video works great and Smartaudio is also working. I ...
2pacsawyer's user avatar
3 votes
1 answer
524 views

DJI Mavic Pro Navigation System Error, After Crash

After repairing my hardly crashed Mavic Pro, I encountered this error: "Navigation system error, check redundancy state", and here's what I did to clear out this error: IMU calibration ...
Cap. MH's user avatar
  • 51
3 votes
1 answer
892 views

Motor doesn't work, ESC doesn't calibrate

After I figured out why SAFE never turned off, now I'm stuck because my motor won't spin and I can't enter calibration mode of the ESC. After turning on the plane, it does three startup beeps in ...
ThatCoolCoder's user avatar
3 votes
0 answers
36 views

Dji fpv will not link in digital fpv mode

I bought the DJI fpv kit and I am trying to change the VTX from 25mW to 700mW. I don’t see a setting in the goggles until I change it to digital fpv mode. But when I do that, I can see the setting in ...
Johnl2 's user avatar
3 votes
0 answers
73 views

What could be wrong with this plane?

The story of how it broke; I have a plane that I am/was building/fixing, and I was successfully able to make it fly...very shortly. Yes, I know that I launched it really bad and that I should've done ...
Ceramicmrno0b's user avatar
2 votes
1 answer
399 views

Loose drone propeller mount, flying off at high throttle

I have seen this post here that asked the same question, however, the user forgot to use one component (collar). I have similar components and even when I mount everything correctly, the mount is ...
Ahmed Anwer's user avatar
1 vote
1 answer
138 views

Connecting 2 Pixhawks to 1 Raspberry Pi

I want to connect my Raspberry pi 4 to two Pixhawks such that when I'm using one other will be in sleep mode. One way of doing it is by assigning address to an individual and then switching. But I'm ...
SAVAGE BOI's user avatar
1 vote
0 answers
174 views

Enabling obstacle avoidance in a cheap Chinese drone (E100 Mini Drone)

I bought the E100 Mini Drone, similar to this - and it seems the obstacle avoidance function doesn't work. I can still return it, or keep it for a refund of roughly half the price. I'd keep it, if it ...
SF.'s user avatar
  • 111