11
EN
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
The system will not connect
Your transmitter and receiver are too
close together
Move transmitter 8 to 12 feet away from receiver
You are near metal objects
Move to an area with less metal
The receiver is bound to a different
model memory
Make sure the correct model memory is active in your
transmitter
Your transmitter was placed into bind
mode and is no longer bound to your
receiver
Rebind your transmitter and receiver, and then re-calibrate
The receiver goes into failsafe a short
distance away from the transmitter
Check for damage on the receiver
antenna
Make sure your receiver antenna is protected and located
as high as practical
Replace the receiver or contact Horizon Product Support
The receiver stops responding during
operation
Low receiver battery voltage. If the
battery voltage is low, it may drop
below 3.5V momentarily, causing the
receiver to brown-out, then reconnect
Charge the receiver or vehicle battery. Spektrum receivers
require at least 3.5V to operate
Loose or damaged wires or connectors
between battery and receiver
Check the wires and connection between the battery and
receiver. Repair or replace wires and/or connectors
Vehicle does not move
Batteries are not installed properly in
the transmitter
Ensure the transmitter batteries are properly installed
Weak or no battery in the vehicle
Install a freshly charged vehicle battery
Damaged motor
Replace the motor
Frayed or broken wiring
Replace any damaged wiring
ESC is shut down by heat protection circuit Allow the ESC to cool down completely
Loss of vehicle control
Improper antenna placement
Ensure the transmitter antenna is not blocked and the
receiver antenna is located properly
Weak or no batteries in the transmitter
or vehicle
Install a freshly charged vehicle battery and new
transmitter batteries
Neutral or trim position is incorrect
Adjust the steering trim
Receiver and/or battery not connected
properly
Check all receiver and battery connections
Steering and/or throttle function is
reversed
Servo travel is reversed at the transmitter Set the transmitter servo reversing switch to the correct position
Motor wires are not connected properly
Check all motor wires for correct polarity and secure connection
ESC ON - No motor function, audible tone
or LED
Battery/connection issue
Recharge/replace battery. Secure all connections
Damaged ESC/switch
Repair/replace ESC switch/ESC
Damaged motor
Repair/replace
Motor- Stops and LED blinks
Low voltage protection
When the ESC LED blinks, recharge/replace battery
Overheat protection
When the LED blinks, let motor/ESC cool, change set up or
gearing to avoid overheating
Motor- Accelerates irregularly
Battery issue
Repair damaged wiring/replace battery
Incorrect gearing
Adjust/replace gearing
Worn or damaged motor
Repair/replace motor
Motor- Does not turn continuously in
response to throttle
ESC/motor damaged
Repair/replace wiring or motor/ESC
Motor- Slows but will not stop
Incorrect transmitter/ESC calibration
Adjust throttle travel/other throttle settings on the
transmitter/ESC. Repeat the ESC Calibration Procedure
Steering servo- Operates; motor does not
run
Damaged motor
Test the motor apart from the vehicle system, repair/replace
motor as needed
Incorrect transmitter/ESC calibration
Adjust throttle travel/other throttle settings on the
transmitter/ESC. Repeat the ESC Calibration Procedure
Steering/motor- not functioning
Low battery voltage
Recharge/replace
Wrong model memory selected on
transmitter
Select correct model settings on your transmitter, refer to
transmitter and/or receiver manual
Receiver not bound to transmitter
Bind transmitter to receiver, refer to transmitter and/or
receiver manual
Vehicle- Does not operate at full speed
Battery issue
Recharge/replace
Incorrect transmitter/ESC calibration
Adjust throttle travel/other throttle settings on the
transmitter/ESC. Repeat the ESC Calibration Procedure