troubleshooting Guide
5
Doesn’t operate
Battery not charged or plugged in
Charge battery / plug-in
Receiver switch not “On”
Turn on receiver switch
Transmitter not “On” or low battery
Turn on / replace batteries
Motor runs but rear
Pinion not meshing with spur gear
Adjust pinion/spur mesh
wheels don’t move
Pinion spinning on motor shaft
Replace pinion gear on motor
Slipper too loose
Check & adjust slipper
Transmission gears stripped
Replace transmission gears
Drive pin in axle missing
Check & replace
Steering doesn’t work
Servo plug not in receiver
Check if plug in / all the way
Servo gears or motor damaged
Replace or repair servo
Won’t turn one direction
Servo gears damaged
Replace servo gears
Motor doesn’t run
Motor plugs loose
Plug in completely
Motor wire broken
Repair or replace as needed
ESC damaged
Call Electronics Tech
ESC gets hot
Motor over-geared
Put smaller pinion on motor
Driveline bound up
Check wheels & trans for binds
Poor run time and/or
Ni-MH pack not fully charged
Recharge
sluggish acceleration
Charger not allowing full charge
Try another charger
Slipper slipping too much
Check/adjust slipper
Motor worn out
Replace motor
Driveline bound up
Check wheels & trans for binds
Poor range/glitches
Transmitter batteries low
Check & replace as necessary
Transmitter antenna damaged
Check & tighten
Battery low in truck
Replace or recharge
Loose plugs or wires
Check motor and power plugs
Slipper won’t adjust
Drive pin missing in shaft Spur
gear face worn out
Replace drive pin
Replace spur gear & adjust slipper
Mini Sprint Troubleshooting Guide
