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7. Updating Your ESCs
Unplug any other serial devices connected to your computer before updating. Then follow the
instructions below:
1) Download the ESC Assistant installer from the DJI website. Run the installer and follow the
prompts to nish the installation.
2) Connect one end of the Updater to the Data/ESC Firmware Update Port. Connect the other end
of the Updater to a computer with a Micro-USB cable. Power on the ESC. DO NOT disconnect
until conguration is nished.
3) Run the ESC Assistant and wait for the ESC to connect. Watch the indicators on the bottom of
the screen. When connected successfully, the Computer Connection status will be solid green
and Data Exchange Indicator will blink blue.
4) Click on the [View] page. In the “ESC” section, check the current rmware version and ensure
the installed rmware is the latest version. If not, click the link and follow the prompts to upgrade.
If the ESC is not automatically recognized by the DJI ESC Assistant (the indicators on the
bottom of the screen show a solid green and an inactive blue), check whether there is more
than one DJI Updater, FTDI USB adapter, or other developer tool (including, but not limited
to, BeagleBone, Raspberry, Arduino, etc.), which may use the FTDI chipset, connected to
the computer. If any of these FTDI devices are connected, simply unplug them and keep
the DJI Updater connected to the computer. Then, restart the DJI ESC Assistant and the
ESC system to form a successful connection.
8. ESC LED Indicators & Sound Description
The description is the same for both outer ESC LED indicators and inner ESC LED indicators, as
shown below:
LED Indicators Sound Description
Yellow, Green blinking in turn
None Motor is being recognized.
/
Red or Green blinking slowly
1356 Ready.
—/
—
Solid Red or Green None Motor starts normally.
Red, Yellow blinking in turn
None
BB---BB---BB…
BBB----BBB…
Fail to Self-Test.
Input voltage is abnormal.
The motor parameters don’t match the
rmware data saved in the ESC.
Quick Yellow blinking BBBBBB…
Throttle stick is not at the bottom position.
Slow Yellow blinking B-------B-------B… No signal input.
ESC Updater Computer
©
2014 DJI. All Rights Reserved.
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