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The Mavic air with its glorious camera, this drone is a great start for beginners to learn how to fly.

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Crashed into salt water…

Crashed magic air into salt water. Tried drying it out with hair dryer immediately. Let dry overnight. Tried flying again a few days later. No response. DJI wants 400$ to refurbish it. I’m a diy guy. Can someone guide me on repairing the drone myself.

Thanks JTG

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Hi @hardrock60

The impurities in the water causes corrosion and provides circuit paths for the electricity which were not in the drone's operating design and could damage the components. The corrosion starts immediately and is ongoing until it is completely cleaned away

First do not try to charge or to turn on your drone and then remove the battery as soon as possible from the drone to minimize any further damage.

Then you need to dis-assemble the rest of the drone and clean all the affected parts using Isopropyl Alcohol 99%+ (available at electronics parts stores) to remove all traces of corrosion and water. If possible do not use "rubbing alcohol" as in some cases this is only 70% IPA or less, can contain additives which may leave residues and is not as effective. If you do have to use it check the label to verify the amount of IPA. The higher the percentage of IPA the better

Here is a link that describes the process. Electronics Water Damage

As always with electronics, especially surface mounted pcb be gentle when handling and especially when brushing away the corrosion. You do not want to remove any components from the board. The ends of any flex cables and their connectors need to be cleaned as well

Hopefully after you have done all this the drone might possibly work correctly again.

Here is a link to a teardown video that may help.

If this process seems too daunting, take your drone to a reputable, professional electronics repair service, experienced in liquid damage repair and ask for a quote for a repair.

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@jayeff , much thanks for your insight. I will do my best to follow your lead. Have a great day.

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