Problem Cause Solution
After powering ON the ESC, the motor does
not work and no sound is emitted
The connections between
battery pack and ESC are
incorrect
Check the power connections
Replace the connectors
After powering ON the ESC, the motor does
not work but emits a “beep-beep” alert
tone at one second intervals
Input voltage is too high
or too low Check the voltage of the battery pack
After powering ON the ESC, the motor
does not work but emits a “beep” alert
tone at one second intervals and the
and the red LED is illuminated
Abnormal throttle signal
Be sure the transmitter is working properly
and that the batteries are charged
Check the receiver plug connection
After powering ON the ESC,
the motor does not work and the
red LED blinks very quickly
The neutral point of the throttle
channel has changed
Re-calibrate the throttle range of the ESC
Adjust the throttle trim to change the neutral point
The motor runs in the opposite direction
The wire connections between
the ESC and the motor need to
be changed
Swap any two wire connections between
the ESC and the motor
The motor suddenly stops running
while driving the vehicle
The throttle signal from the
transmitter has been lost
Be sure the transmitter is working properly
and that the batteries are charged
Be sure that the ESC is plugged into
the receiver correctly
The ESC has entered Low
Voltage Protection mode Re-charge the battery/install a fully charged battery
The ESC has entered Thermal
Protection mode Allow the ESC to cool down
Intermittent operation or random
stopping/starting
Poor connections Verify that the battery pack, receiver,
and motor connections are correct
Strong electromagnetic
interference
Move to another area to operate the vehicle
or wait until the interference has subsided
TROUBLESHOOTING
