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'72 C10 1:10 4WD RTR • INSTRUCTION MANUAL
RUN TIME
The largest factor in run time is the capacity of the battery pack. A larger mAh rating
increases the amount of run time experienced.
The condition of a battery pack is also an important factor in both run time and speed.
The battery connectors may become hot during driving. Batteries will lose performance
and capacity over time.
Driving the vehicle from a stop to full speed repeatedly will damage the batteries
and electronics over time. Sudden acceleration will also lead to shorter run times.
TO IMPROVE RUN TIMES
• Keep your vehicle clean and well maintained.
• Allow more airflow to the ESC and motor.
• Change the gearing to a lower ratio. A lower ratio decreases the operating temperature
of the electronics. Use a smaller pinion gear or larger spur gear to lower the gear ratio.
• Use a battery pack with a higher mAh rating.
• Use the optimum charger to charge battery packs. (Visit your local hobby dealer for
more information.)
WHEN YOU ARE FINISHED
1. Power OFF the vehicle.
2. Power OFF the Transmitter.
3. Remove the Battery from the vehicle. NiMH batteries should be stored fully discharged,
LiPo batteries should be stored approximately half charged.
TROUBLESHOOTING GUIDE
PROBLEM
POSSIBLE CAUSE
SOLUTION
Vehicle does not operate
Battery not charged or plugged in
Charge battery/plug in
ESC switch not “On”
Turn on ESC switch
Transmitter not “On” or low battery
Turn on/replace batteries
Motor runs but wheels
do not rotate
Pinion not meshing with spur gear
Adjust pinion/spur mesh
Pinion spinning on motor shaft
Tighten pinion gear setscrew on motor shaft flat spot
Transmission gears stripped
Replace transmission gears
Drive pin broken
Check and replace drive pin
Steering does not work
Servo plug not in receiver properly
Make sure the steering servo plug is connected to the receiver steering channel, noting proper polarity
Servo gears or motor damaged
Replace or repair servo
Will not turn one direction
Servo gears damaged
Replace or repair servo
Motor does not run
Motor wire solder joint is damaged
Resolder the motor wire with the proper equipment
Motor wire broken
Repair or replace as needed
ESC damaged
Contact Horizon Hobby Product Support
ESC gets hot
Motor over-geared
Use smaller pinion or larger spur gear
Driveline bound up
Check wheels and transmission for binding
Poor run time and/or sluggish
acceleration
Battery pack not fully charged
Recharge battery
Charger not allowing full charge
Try another charger
Driveline bound up
Check wheels, transmission for binding
Poor range and/or glitching
Transmitter batteries low
Check and replace
Vehicle battery low
Recharge battery
Loose plugs or wires
Check all wire connections and plugs
BINDING
Binding is the process of programming the
receiver to recognize the GUID (Globally
Unique Identifier) code of a single specific
transmitter.
The transmitter and receiver
are bound at the factory.
If you need to
rebind, follow the instructions below:
1. Connect a fully charged battery to the
receiver.
2. Power on the receiver. The receiver LED
flashes, indicating the receiver is in bind
mode.
3. Insert a small tool to press the BIND
Button of the receiver and remove it
immediately.
4. Power ON the transmitter. The receiver
LED goes solid.
5. Power OFF the receiver to save the
settings.
6. Power OFF the transmitter.
You must rebind when:
• When you want different failsafe po-
sitions (e.g. when throttle or steering
reverse has been changed).
• Binding the receiver to a different
transmitter.
NOTICE:
Do not attempt to bind the
transmitter and receiver if there are other
compatible transmitters in bind mode
within 400 feet. Doing so may result in
unexpected binding.
Bind Button