DJI Warranty Warning. This is message I just received from DJI Service.
- Thread starter CharlieU
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DJL123, I'm sure your parents and teachers are very proud.
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I'm finding that out. I returned to the crash site which is only a block from my house. I looked at the total area above, below and around trying to determine why DJI said pilot error. I then looked over the flight data again. The possibility I see is the quad was under the tree with the yellow flowers in the picture below, . I could see on the video feed rising terrain. At 5.5 mph I most likely thought I could climb to avoid terrain and flew up into the small bottom branches of the tree. The quad then fell 11 or 12 feet to the ground upside down. I say upside-down because all the carbon reinforced props were broken, prop caps were off, the gimbal-camera was detached and the battery ejected. The broken plaster mark on the wall was probably old age and lack of attention.
I appreciate all of the input here. Very helpful in clearing my head and not laying awake at night thinking about this. I am going to accept my $99 Phantom 4 Pro. I still have my two P4's and a P3S. I know about data sync now. Thanks again.
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Yeah you are right. The people are good neighbors of mine but still would not be happy with the invasion of privacy.
Situational awareness is everything in flying these things. That's why I never let my P3S out of sight. Fortunately, you didn't damage anything other than your AC.
I went with DJI Care when I purchased my P3S simply because it does cover pilot error. Haven't needed it. Yet. Hope I don't.
Think of the poor guys who passed on that option and then crashed!
CharlieU, I think if you go back and read the post I was replying to, you'll see it wasn't yours. Apology accepted.
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I noticed that you are prevented from entering TapFly mode when you try to establish a target outside of the conical zone of the obstacle avoidance sensors. When in manual mode you need to be aware of this limitation of the sensors. It is documented in the manual.
CharlieU,
I'm curious if you were getting any Warnings from your obstical avoidance system before the crash? You mentioned shadows in the picture. Where was the aircraft in relation to the shadows?
I had a crash indoors because my sensors were moving the aircraft away from a bright light source (LED TV) into a darker area of the lighted room where the sensors were not picking up the objects. The aircraft sensors on the front side facing the TV was pushing the aircraft backwards 6 feet while not sufficent enough light to detect rear sensor objects reliably. LESSON LEARNED: My $17 investment in prop guards would have prevented my incident had I been using them at the time.
I'm curious if you were getting any Warnings from your obstical avoidance system before the crash? You mentioned shadows in the picture. Where was the aircraft in relation to the shadows?
I had a crash indoors because my sensors were moving the aircraft away from a bright light source (LED TV) into a darker area of the lighted room where the sensors were not picking up the objects. The aircraft sensors on the front side facing the TV was pushing the aircraft backwards 6 feet while not sufficent enough light to detect rear sensor objects reliably. LESSON LEARNED: My $17 investment in prop guards would have prevented my incident had I been using them at the time.
I don’t even get how this would even work if he was making a claim for a destroyed or lost aircraft. DJI would see a flight that ended in a successful landing - most probably back at the same home point.
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Wow, what an impact crater. Either that's really crappy wall (yo, T man, here's a design for ya) or your phantom was doing about 50 mph... or you got after the wall with a chipping hammer. That outline is suspect to me, just a little too perfect.
In CharlieU's defense (and I don't know if this will help his defense). I've noticed within the last few firmware updates the obstacle avoidance system seems less sensitive. At first few flights I could not fly the bird anywhere near my physical self, above or on the sides. Lately, I was able to fly close enough where I was concerned about impact. I didn't receive a warning until the bird was just a foot away. I may need to factory reset or re-calculate the aircraft, not certain, but I've needed to be more diligent on the aircraft's surroundings than previous flights.
Next time buy your drone from Best Buy and get their warranty. They will cover for two years and any crash, other than an intentional crash, is covered.
I hesitated at first with my p4p obsidian purchase, and after much thinking a week later bought the best buy warranty
Somethings to be aware of:
1. Aircraft pitch affects the view of the obstacle avoidance system. Know the cones, distances and functions of all 5 sensors on a P4P, or the ones on your bird
2. P/A/S can exponentially change function of collision avoidance.
3. Flight at high speeds in S mode will cause a P4P to decend in straight and “level” flight, because of the negative pitch resulting from aggressive throttle stick inputs. If flying towards your self on a hill, you might not notice it until it hits the tree next to you where you took off and ascended to 50’ above the tree in elevation and then flew 1250’ straight away turned and made a Speed run back. I checked the GPS altitude at launch, turn and a couple of times on the way back. The last check was when I noticed it was now way low about 25’ out and released all controls. Brakes don’t work “that” good. Oops
4. Even P Mode collision avoidance is effected by pitch.
5. VLOS is the law, AND a good idea!
6. As good as the P4P is it needs help from common sense, experience from flight time and application of safety principles,
1. Aircraft pitch affects the view of the obstacle avoidance system. Know the cones, distances and functions of all 5 sensors on a P4P, or the ones on your bird
2. P/A/S can exponentially change function of collision avoidance.
3. Flight at high speeds in S mode will cause a P4P to decend in straight and “level” flight, because of the negative pitch resulting from aggressive throttle stick inputs. If flying towards your self on a hill, you might not notice it until it hits the tree next to you where you took off and ascended to 50’ above the tree in elevation and then flew 1250’ straight away turned and made a Speed run back. I checked the GPS altitude at launch, turn and a couple of times on the way back. The last check was when I noticed it was now way low about 25’ out and released all controls. Brakes don’t work “that” good. Oops
4. Even P Mode collision avoidance is effected by pitch.
5. VLOS is the law, AND a good idea!
6. As good as the P4P is it needs help from common sense, experience from flight time and application of safety principles,
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No warnings I was flying about 5 miles per hour looking for a small drone that got caught in the wind. I would have been with in obstacle avoidance distance from the wall if I continued straight ahead about 3 ft farther without any control input. I thought I could climb up over the wall. Unfortunately I was under a tree at the time. 3 ft farther I would have been past the tree and been able to climb okay. The replacement Phantom 4 Pro is supposed to arrive on Monday. According to the serial number it's new and not refurbished. There is no R in the serial number.
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