21
Helion Brushless System Troubleshooting
Problem / Symptom Possible Cause Possible Solution
ESC will not set to
transmitter
Receiver and transmitter not bound Try re-binding
Throttle Channel not set to Reverse Unless using Futaba radio, set Th channel to Reverse
Batteries dead in car or transmitter Replace batteries
Transmitter is too close to vehicle Hold transmitter farther away from vehicle
After turning ON, the
motor won’t work and no
sound comes from motor
The connections between the battery and
the ESC are not correct
Check the power connections. Replace the connectors if
they are worn or damaged
After turning ON the ESC,
the motor won’t operate
normally but instead gives
a beep-beep, beep-beep
alert tone with 1 second
interval of each beepbeep
The input voltage is abnormal, too high
or low
Check the voltage of the battery pack
After turning ON the ESC
the motor won’t operate
normally but instead
gives a beep-, beep-,
beep- alert tone with each
beep- having an interval
of one second
The throttle signal is abnormal
Check the transmitter and receiver connections. Check the
wire of throttle channel. Reset the EPA and trim on transmitter and recalibrate the ESC to the transmitter.
Car slowed down or
stopped drastically druing
run
Battery voltage too low, LVC active Charge or change batteries
ESC over-temp protection active
Turn off ESC and allow ESC and motor to cool before
running again
Loss of throttle signal Check transmitter and receiver, check wiring
Random stopping or
restart, irregular operation
Strong electro-magnetic interference in
the oeprating area
Reset ESC or change operation location.
Car doesn’t accelerate Ensure the proper punch mode is used Change punch mode based on battery you are using
Reverse not working
Reverse mode has been disabled in ESC Follow setup instructions to turn back on
ESC was improperly set to transmitter
Re-set to transmitter, ensure Th channel is set to Reverse
for non Futaba transmitters
EPA on transmitter has been turned down
for reverse
Adjust EPA’s to 100% and recalibrate ESC to transmitter
Motor only goes in reverse
or goes in reverse when I
pull trigger to go forward
Throttle Channel not set to Reverse
Unless using Futaba radio, set Th channel to Reverse and
reset ESC to transmitter
Motor connected to ESC improperly Switch any two motor wires
EPA on transmitter has been turned down
for reverse
Adjust EPAs to 100% and reset ESC to transmitter
Adjusting and Tuning Your Vehicle
The Rock Rider Brushless XLR has been engineered with some available
tuning options listed here for reference. The default conguration has been
chosen to provide what we feel is the most enjoyable experience for most
operating conditions. However we do encourage experimentation and testing
as that’s where the real fun begins!