10
TROUBLESHOOTING GUIDE
Problem / Symptom
Possible Cause
Possible Solution
Vehicle will not turn on
Battery voltage too low
Charge battery
Battery not connected
Re/connect battery
Damaged battery
Replace battery
Transmitter will not
turn on
Battery voltage too low
Charge or change batteries
Battery/ies installed improp-
erly
Correct installation
Short radio range (Ve-
hicle stops respond-
ing to transmitter at
short distances)
Damaged or improperly
installed receiver antenna
Check receiver antenna for damage. En-
sure antenna is properly installed in tube
and mount, extending perpendicular from
the ground
Transmitter battery voltage
too low
Replace batteries
Spur gears stripping
Gear mesh too loose
Tighten gear mesh for proper backlash
Bearings worn out and need
replacing
Check for loose fasteners on spur gear
cover and motor mount
Steering not respond-
ing as expected
Trim not set properly
Adjust steering trim
Screws too tight on steering
components
Adjust screws to allow for free motion
Vehicle not respond-
ing as expected to
transmitter
Trims not set properly
Adjust throttle and/or steering trim
Radio system lost bind
Re-bind radio system
Bad electrical connections
Check motor and battery plugs to ensure
they are fully connected.
Vehicle top speed and
acceleration is slow
Battery voltage too low
Charge the battery.
Drivetrain has too much
friction
Check and slightly loosen wheel nuts.
Pinion gear is loose
Check and tighten set screw on motor
pinion .
Drive pin missing or stripped
Check for missing wheel pins (behind
wheel hexes), or dogbone pins.
Beginner Mode is active
Check to ensure the Green Poewr LED is
solid. If it is flashing, one of the Beginner
Modes is active.
Shocks sticking in up
position.
Dirt and dust has gotten into
shock body
Clean out shock bodies and clean off
shafts, apply small amount (1-2 drops to
each shaft).
Battery does not hold
charge
Battery has deteriorated and
needs replacement
Replace battery with compatible type or
upgrade.
Vehicle only has
forward or reverse
throttle but not both
The TH trim is not centered
Center the TH trim and power-cycle the
transmitter and vehicle.