73
EN
Problem
Possible Cause
Solution
Short Run Time
• Battery damaged/not charged
• Motor dirty
• Check/change battery
• Check/clean
Sluggish Action
• Motor dirty
• Bind in drivetrain
• Vehicle battery is not charged
• Check/clean
• Clean/adjust
• Replace/recharge
Controls Reversed
• ST. REV or TH. REV
• Change switch position
Motor/ESC overheat
• Over-geared for the driving environment
• Install smaller pinion on the motor
Does Not Operate
• Transmitter batteries low
• Transmitter powered off
• ESC powered off
• Vehicle battery is not charged
• Dual-rate (D/R) steering and/or throttle knobs on
transmitter are turned to zero
• Replace/recharge
• Power on
• Power on
• Replace/recharge
• Adjust dual-rate (D/R) steering and/or throttle knobs to 10
Poor Range
• Transmitter batteries low
• Receiver antenna damaged
• Replace/recharge
• Check/repair/replace
The system will not connect
• Transmitter and receiver too near each other
• Transmitter and receiver too near large metal
objects (vehicles, etc.)
• Throttle trim out of center on
transmitter
• Receiver accidentally put in bind mode so
receiver is no longer bound
• Move transmitter 3.3–9.8ft (1–3m) from receiver
• Move away from large metal objects
(vehicles, etc.)
• Set throttle trim on transmitter to zero. Turn off and on
transmitter and vehicle
• Rebind transmitter and receiver
The receiver goes into failsafe
mode a short distance away from
the transmitter
• Check the receiver antenna to be sure it is not cut
or damaged
• Make sure the antenna is in the antenna tube
• Contact Horizon Product Support
The receiver quits responding
during operation
• Low battery voltage
• Loose or damaged wires or connectors between
battery and receiver
• Completely recharge battery
• Do a check of the wires and connection between battery
and receiver. Repair or replace wires and/or connectors
Receiver and transmitter are not
bound
• Transmitter accidentally put in bind mode, ending
bind to receiver
• Bind transmitter to receiver
Vehicle moves forward or
backward without input from user
• Throttle trim on transmitter not centered
• Adjust throttle trim to set neutral point
Car does not drive straight
• Steering trim on transmitter not centered
• Adjust steering trim so vehicle drives straight
No steering or lack of steering
• Steering dual-rate (D/R) not adjusted
correctly
• Servo failed
• Adjusts steering dual-rate (D/R) knob on transmitter to
desired steering throw
• Contact Horizon Product Support
No throttle or lack of throttle
• Throttle dual-rate (D/R) not adjusted
correctly
• ESC failed
• Motor failed
• Adjust the throttle dual-rate (D/R) knob on transmitter to
desired steering throw
• Contact Horizon Product Support
• Contact Horizon Product Support
Clicking noise in transmission area
• Dirt or rocks in spur gear
• Motor moved away from spur gear
• Remove gear cover and inspect. If necessary, replace gear
• Reset gear mesh
TROUBLESHOOTING GUIDE
