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If the motors are intact but not starting, then there is a problem with the electronic speed controller. Use this guide to replace your damaged electronic speed controller.

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  1. DJI Phantom 4 Advanced Electronic Speed Controller Replacement, Propeller: step 1, image 1 of 2 DJI Phantom 4 Advanced Electronic Speed Controller Replacement, Propeller: step 1, image 2 of 2
    • Use your finger tips to pinch the damaged propeller.

    • Twist the propeller counterclockwise and pull up to remove.

  2. DJI Phantom 4 Advanced Electronic Speed Controller Replacement, Shell: step 2, image 1 of 2 DJI Phantom 4 Advanced Electronic Speed Controller Replacement, Shell: step 2, image 2 of 2
    • Remove the eight 7 mm hex screws by turning counterclockwise with a 2 mm hex bit.

  3. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 3, image 1 of 1
    • Pry the LED motor covers off with a metal spudger.

    • The prying location is marked by an indent that points outward from the arm.

  4. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 4, image 1 of 1
    • Pry the paper covering off the four corners with a metal spudger.

  5. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 5, image 1 of 1
    • Remove the twelve 8.7 mm hex screws with a 2 mm hex bit from the motor bases.

  6. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 6, image 1 of 2 DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 6, image 2 of 2
    • Flip the drone on its back

    • Remove the eight 4.5 mm hex screws by turning them counterclockwise with a 1.5 mm hex bit.

    • Separate the mesh from the drone by pulling up gently and rocking left to right.

    • The cable connects from the camera to the drone. Pulling up could rip the connection. Tilt the mesh 90 degrees towards the cable.

  7. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 7, image 1 of 1
    • Remove two 1.2mm screws using the JIS #000 bit from the camera cable retaining bracket.

  8. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 8, image 1 of 1
    • Lift the camera connector at one end with your hand and remove the mesh.

  9. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 9, image 1 of 3 DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 9, image 2 of 3 DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 9, image 3 of 3
    • Remove the two 1.2 mm screws using a JIS #000 bit from the antenna retaining bracket.

    • Pull the four U.FL antennae up.

    • The U.FL antenna connectors are fragile.

    • Remove the two 4 mm screws using a JIS #000 bit.

  10. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 10, image 1 of 2 DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 10, image 2 of 2
    • Pry apart the clamshell at the motor end.

    • Separate the clamshell.

    • Two wires connect from the lower frame to the upper frame at the front of the drone. Pulling the clamshell apart hard may damage the connectors and wires.

  11. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 11, image 1 of 1
    • Press the connector tabs with a spudger and pull on the wire simultaneously.

    • Remove the shell from the rest of the drone.

  12. DJI Phantom 4 Advanced Electronic Speed Controller Replacement, Electronic Speed Controller: step 12, image 1 of 2 DJI Phantom 4 Advanced Electronic Speed Controller Replacement, Electronic Speed Controller: step 12, image 2 of 2
    • Remove the two 4 mm screws using the JIS #000 bit.

    • Flip the metal bracket to the right and slide up.

    • Take care when handling the metal bracket because it can easily break off.

  13. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 13, image 1 of 1
    • Unlodge the glue from the board using a metal spudger.

  14. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 14, image 1 of 1
    • Jiggle the electronic speed controller board up and away from the drone.

  15. DJI Phantom 4 Advanced Electronic Speed Controller Replacement: step 15, image 1 of 1
    • Desolder the motor and LED wires on both sides of the board. For general soldering information, visit this Soldering Technique Guide.

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To reassemble your device, follow these instructions in reverse order.

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Nicholas Allen

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Cal Poly, Team S15-G6, White Fall 2018 crwdns2886886:0Cal Poly, Team S15-G6, White Fall 2018crwdne2886886:0

CPSU-WHITE-F18S15G6

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Please post a guide to replace main board flex replacement

Sander Jacob - crwdns2853112:0crwdne2853112:0

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