Helion Invictus 10MT, Owner'S Manual And Exploded Views

TROUBLESHOOTING GUIDE

17

1/10th SCALE 4x4

BRUSHLESS POWERED

MONSTER TRUCK

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 improperly

Correct installation

Short radio range (Ve-
hicle stops responding 
to transmitter at short 
distances)

Damaged or improperly installed re-
ceiver and antenna

Check receiver antenna for damage. Ensure antenna is 
properly installed in tube and mount, extending perpendicular 
from the ground. Ensure all connections are secure

Receiver is malfunctioning

Replace receiver

Battery voltage too low

Replace or recharge batteries in transmitter and vehicle

Steering not responding 
as expected

Trim not set properly

Adjust steering trim

Screws too tight on steering parts

Adjust screws to allow for free motion

Fasteners have become loose

Check and tighten all fasteners to as new condition, be care-
ful to not over tighten

Vehicle not responding 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 con-
nected

Wheels twitch while 
vehicle is idle (controls at 
neutral)

Transmitter too close to receiver (<1m)

Increase distance between the units

Receiver wire damaged

Inspect antenna for damage and replace if necessary

Receiver antenna not installed in vertical 
position

Install in mount with care to not damage antenna wire

Steering will not trim 
straight, always has right 
or left bias

Binding in steering system

Inspect and correct any binding components or loosen 
screws if over tight

Front wheels too tight

Check and adjust wheel nuts to ensure the wheels are not 
too tight

Vehicle top speed and 
acceleration is slow

Battery voltage too low

Charge battery

Drivetrain has too much friction

Check for debris/excessive wear on gears, inspect bearings

Gear mesh too tight

Loosen gear mesh

Pinion gear is loose

Check and tighten set screw on motor pinion 

Differential broken

Check differential and ensure the outdrives are secured and 
gears intact. You should not be able to pull them out

Drive pin missing

Check for missing wheel pins (behind wheel hexes), or dog-
bone pins

ESC not set to transmitter

Follow ESC instructions to set to transmitter

Wheels not spinning 
freely

Wheels too tight

Check and adjust wheel nuts

Differentials stripped

Check differentials and replace/repair if necessary

Battery charge stops 
lasting as long as it used 
to

The battery has become old

Replace battery

Battery not charged completely due to 
insuffi cient charge time

Charge for longer period of time or try a peak detection char-
ger. We recommend the Radient Primal (RDNA0001)

Gear mesh too tight

Check and reset gear mesh setting

Charger, battery, wires, or plug has 
malfunctioned

Check all connections and wires for damage or excessive 
wear and replace if necessary

Shocks and/or arms 
covered in oil

Shock O-ring seals are worn

Replace O-rings and refi ll shock with oil

Top shock cap too loose or over tight-
ened

Check tightness (fi nger tight), refi ll shock oil

Bottom shock cap dislodged

Check installation, refi ll shock oil

Spur gears stripping

Gear mesh too loose

Tighten gear mesh for proper backlash

Fasteners loose or missing

Check for loose fasteners on spur gear mount and ensure all 
E-clips are in place