LAEGENDARY THUNDER - Troubleshooting Common Problems; Battery Performance Issues; ESC and Throttle Control Problems; Motor and Drive System Issues

NiMH battery charge
doesn't last as long as
it should.
LiPo battery won't
recharge after running
the vehicle.
The ESC will not power
on and the ON/OFF
switch was turned ON.
The vehicle ran
backward when you
pulled the throttle
trigger towards you.
Vehicle moves with no
throttle input.
The motor suddenly
stopped working, but
the steering still works.
The motor accelerated
suddenly, stuttered or
stopped during the
starting-up process.
1. ESC is set to LiPo battery
2. NiMH battery is not charged
completely.
3. NiMH battery is not holding
a charge.
1. ESC is set to NiMH battery
and the LiPo battery was
discharged below the safe
level.
2. Bad LiPo battery.
1. No power is being supplied
to the ESC.
2. The ESC switch may be
damaged.
1. The radio “Throttle Reverse”
switch may be improperly set.
2. The motor-to-ESC wiring is
incorrect.
1. Throttle trim is not set
properly.
2. Did not follow proper
start-up instructions.
The LVC protection or the
thermal protection may have
been activated.
1. The discharge capacity of
the pack is insucient.
2. The RPM is too high, the
gear ratio or final drive ratio
is incorrect.
1.Refer to the ESC guide to
set the ESC jumper to NiMH
battery.
2, 3. Completely charge the
NiMH battery with an
appropriate NiMH charger.
1. Refer to the ESC Guide and
set the ESC jumper to LiPo
battery. Properly dispose of
the LiPo battery, as it is no
longer safe to use.
2. Replace the LiPo battery
with a fully charged, brand
new battery. Dispose of the
bad battery in accordance to
your local laws.
1. Check if all ESC &
connections are well soldered
and firmly connected.
2. Contact LAEGENDARY
support.
1. Switch the radio “Throttle
Reverse” switch.
2. Check the wires from the
motor to the ESC.
1. Set transmitter throttle trim.
2. Follow Quick Start Guide for
proper start-up sequence.
Check the battery voltage and
the ESC temperature. Let cool
and recharge battery.
1. Use another pack with
better discharge capability.
2. Use stock motor, stock
gearing, and don’t pull heavy
loads.
PROBLEM POSSIBLE CAUSE
POSSIBLE SOLUTION
TROUBLESHOOTING
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Troubleshooting