Transmitter troubleshooting
Troubles
Possible Causes
Solutions
After power on,
no LED lights up
Batteries are installed
abnormal; Battery low
Reinstall the batteries; change
the batteries
ESC troubleshooting
Troubles
Possible Causes
Solutions
After power on,
no LED lights up
No power is drawn to the
ESC; The switch is broken
Check the connections
between battery and ESC; Re-
solder the connector if
needed
；
Change the ESC
switch
Led slowly blink
The transmitter is closed
；
The transmitter is not paired
Open the transmitter
；
Re-pair
the transmitter
Led blinks once a
second
Battery voltage is low.
Change battery.
The vehicle can’t
reach to the full
speed.
Incorrect TH D/R setting;
Battery protect due to battery
low
Increase TH D/R; Change
battery
The vehicle can’t
motion, but the
LED indicators
work normally
Battery low cut-off protect;
The connection between ESC
and motor is interrupted; The
motor is damaged
Change battery; Check the
connection between the motor
and ESC; Change battery.
The motor
accelerates
rapidly at the
startup moment,
but has lockout or
cogging problem.
The discharge capacity of the
battery is not strong enough;
The motor rotates too fast,
and the gear ratio is too
aggressive; Something wrong
with the driveline of the
vehicle.
Change a battery with better
discharge capability;
Use a motor with lower RPM,
or smaller pinion to soften the
gear ratio; Check the driveline
of the vehicle
