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3. Connect the speed controller to a power supply.
4. Launch RoboMaster Assistant.
5. Click Settings to adjust parameters.
6. Click Firmware Update and select the version you want for the speed controller. RoboMaster
Assistant will automatically download and update the rmware.
Status LED Description
The status LED is used to indicate the operational status of the speed controller. In situations
where there is both a warning and an abnormal working condition, the LED only indicates the
abnormal working condition. In situations that indicate multiple warnings or abnormal working
conditions, the LED only indicates the warning or abnormal working condition that emits the least
amount of blinks. Note that the speed controller automatically cuts off the output stream when it
has detected an abnormal working condition.
Normal Description
Blinks green x times every second The number of blinks indicates the ID of the speed
controller. The ID range is from one to eight.
Quick ID Setting Description
Solid orange Setting the ID of the speed controller.
Calibration Description
Blinks green quickly The speed controller is calibrating.
Warning Description
Blinks orange twice every second More than one speed controller connected to the CAN
bus share the same ID.
Abnormal Description
Blinks red once every second The voltage of the power supply is too high (only
detected in self-diagnosis when powering on.)
Blinks red twice every second The 3-phase cable of the motor is not connected.
Blinks red three times every second The 4-pin cable connected on the motor has lost signal.
Blinks red quickly Motor calibration failed.
Warning Sound Description
When in use, the motor connected to the speed controller beeps to indicate the working status
of the whole system.
Normal Sound Description
Power-on music The system is ready.
Abnormal Sound Description
BB--BB--BB…… The motor stalls.
BBB--BBB--BBB…… The 4-pin cable connected on the motor has lost signal
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