Dji Mavic Pro Repair

[Jenine Killebrew]

We are the largest DJI Authorized Service & Repair center in the US. Our engineers were trained to diagnose and repair the entire DJI product line at the DJI headquarters. This means you can have 100% confidence in DroneNerds' workmanship and service abilities whether it's a Mavic,
Phantom, Inspire, Matrice or anything else that needs repairing.

Once the inspection is complete our technical team will contact you and give you an estimate of repair cost and needed parts. If you approve the repairs, we will complete them and also update all firmware, re-calibrate your vehicle, and test fly it before sending it back to you.

I made a case for Mavic Wheels in a prior blog post. I want to share some of my other thoughts about Mavic and what I offer in this post. It's been well over a year since Mavic replacement parts have been readily available here in the U.S., and I completely understand your frustration. I, for one, would really like to have some concrete information as to the plans and timeframe of when Mavic will be up and running again and when I will be able to get you the replacement parts that you so desperately need. But currently, that's just not the case. The only intel that I have is that Mavic is in the process of building infrastructure to support manufacturing in France and that the U.S. distribution is "in the works." So at this point in time, all that I can do is wait and keep doing what I am doing, supplying the parts that I have, answering your questions, and doing Mavic wheel repairs.

I understand that the internet is telling you to trash your Mavic's and get another brand of wheels. Hey, you can do what you want, but I'd recommend holding onto those Crossmax or Ksyrium wheels a bit longer. When things get back to normal here in the U.S., you will likely be able to get the part that you need to get your wheels rolling again. So what I am saying is that I wouldn't ditch your Mavic wheels just yet.

Did you know that you can send me your Mavic wheels to repair? Do you lack the confidence to replace some spokes or a rim on your own or can't find a shop mechanic that can or wants to do it? I'm here to help. What kind of mechanic wouldn't want to fix something if it can be fixed? Just because most Mavic wheels are a bit more complicated to work on because of the technology involved, some shop mechanics prefer to lie about them not being repairable or just don't want to do the research required to learn about the technology involved. Even though Mavic wheels have the typical three main components: rim, spokes, and hub, a substantial number of their wheels have Zicral spokes, rims using FORE drillings, and carbon Tracomp spokes, to name a few of Mavic's proprietary technologies. Even though the basic wheel principles are the same as wheels that use the more common stainless steel spokes, there are processes that you should know. Just because it's more complicated to replace a Tracomp spoke correctly or even true an R-SYS wheel doesn't mean that the wheel is not worth the effort or time to repair. In my opinion, spending $100-$200 on a wheel that costs over $1200 that will allow you to potentially get several more years of use is money well spent. Of course, there are situations when the wheel is beyond repair or repairing the wheel wouldn't be cost-effective. Contact me if you want a second opinion or if you want me to get you a repair estimate. I will provide you with enough information for you to make an educated decision that makes practical sense.

Lastly, I want to make it known that if you want to be contacted as soon as I get a particular part that you need back in stock, I suggest that you click on the "Notify me when available" button on the product page. By doing this, you will be sent an email the moment that item is back in stock. I also recommend that you do this for older Mavic products. Every so often, I find some new old stock Mavic inventory that becomes available, or I find older used parts that are still functional. Thanks for your time, and I appreciate your interest and your business.

I received a certification to work on DJI drones about 2 years prior to this repair. One thing that I have found, there are a lot of issues with the batteries discharging beyond the point where the charger can recognize and charge the battery. I have no prior knowledge or experience with troubleshooting or repairing batteries before this repair, though I do have a good understanding and experience with electronics.

I was searching for a pinout to this PB1 battery trying to determine if there was any voltage present when I found the site for the NLBA1 laptop battery analyzer. As I searched the site I learned that unlike a simple lead acid battery where there are cells and a voltage present, in the DJI batteries there is a circuit board and chips that determine the state of the battery. Once I learned that it was possible to clear the errors and restore the batteries, I ordered the NLBA1 and started my battery repair journey.

When the customer dropped off the drone they said it just needed a sensor calibration. When I tried to power it on I found that the battery was completely dead and the LEDs would not light up at all when the power button on the battery was pressed.

I searched the forum and learned that when a battery is completely dead you must apply 12v to wake up the battery. So, I applied 12V to the battery with some jumpers and a DC power supply and then was able to get a reading on the battery. Later I learned that you can apply the 12V to wake up the battery through the NLBA1 software under the Apply Output Voltage, using the allow custom voltage and Power On button.

Now I was able to get a reading on the battery. I thought that Cell 3 was really low and Cell 4 was faulty. I asked a series of questions on the forum and learned that this battery only has 3 cells and because it only had 15 charge cycles, it was highly probable that the battery could be reset.

I learned that the voltage imbalance between the Cells was causing the fault code that is shutting down the battery. In order to clear the fault code we must first balance the Cells, otherwise it will just keep generating the same fault code.

Once open, I was not able to find any test or connection points on the board. Using a multimeter, I was able to find the positive and negative connections to the Cells and determine which Cell was bad.

Now I knew which Cell was bad and the voltage difference of that Cell. Cell three was bad at 1.74v. To balance that Cell I used a DC Power Supply set to 3.5v and 0.5Amp. I did not want to solder to the terminals, so I just held the leads to the battery. It took about five minutes for the Cell to charge. Note, on my Power Supply it gives a voltage reading, much like a meter mode on some power supplies. I was able to watch the voltage rise as the battery Cell was charging. This is how I knew when it reached 3.5V.

There was still a little bit of a voltage difference in the Cells. I learned on the forum from @djibattworkshop (an expert in repairing DJI batteries) that fine balancing should be done at full charge.

I started this repair with no knowledge of how to repair a battery and no knowledge of how the NLBA software worked. In the end, I was able to take a battery that was completely dead, apply 12V to wake it up, determine that Cell 3 was bad, balance the Cells voltages, clear the fault code and get it back fully functioning.

With just a basic understanding of voltage and current, how to use a multi-meter and DC Power Supply it is possible to do these battery resets because the NLBA software and NLBA1 device fill in the gaps and provides the battery data that you need. However, I would caution you, if you are new to this to use the forum and ask questions to gain understanding before doing anything you are not sure about.

Welcome to our premier DJI Mavic 2 repair services page, dedicated to providing top-notch repair solutions for your DJI Mavic 2 series drones. Whether you own the DJI Mavic 2 Pro or the DJI Mavic 2 Zoom, we specialize in restoring your drone to its optimal performance, ensuring smooth flights and stunning aerial photography.

Our drone repair services aim for efficiency, with a turnaround time of 1 to 10 business days post-approval. The diagnostic phase may extend up to 7 business days upon receipt. The timeline for diagnostics and repairs is contingent on damage complexity and parts availability, ensuring meticulous attention to detail in every service we provide.

Customers have the option to add shipping insurance at an additional cost, which is available upon request. Our shipping partners include USPS and UPS, ensuring secure and reliable delivery services. Each shipment is accompanied by a tracking number, and delivery requires a signature for added security.

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Drone Repair is one of our specialties at Repair Sharks. Searching for a local drone repair shop near you? Repair Sharks has the answer. We have repaired and serviced tons of DJI drones and recovered our clients valuable UAV equipment.

Drone repair service costs and maintenance vary depending on model and issue. We offer a parts + labor pricing model. Our Free Diagnostics and inspection allows us to inspect your UAV for damage, source the necessary parts, and offer a repair quote prior to repair.

Drone repair consists of simple repairs such as cosmetic repairs up to more complex repairs such as motor arm replacements, camera and gimbal repair / replacement, board replacements, etc. It is generally not advised to attempt your own repair as with some models they can be complex and end up costing more to repair in the end. We can help you perform routine maintenance or fix your broken components.

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