User Manual

EN
8
Troubleshooting Guide
Problem and
LED Indicator
Error
Mode
Possible
Causes
Solution
Motor won’t
operate. LED
fl ashes red with
short single
pulses.
LVC has
been
activated.
Battery voltage
is below the LVC
setting.
Verify the battery is charged.
ESC settings are
incorrect for your battery.
Verify the ESC settings are
correct for your battery.
Motor won’t
operate. LED
fl ashes green
with short single
pulses.
The ESC is
in thermal
shutoff
mode.
The ESC is not
getting adequate
airfl ow.
Turn off the ESC and allow
it to cool before resuming
operation. Consider making
changes to improve airfl ow to
the ESC.
There is too much
load on the drive
system for the ESC
to support.
Consider changing the battery,
motor, gearing, or tires to reduce
the load on the ESC, or change your
driving habits to reduce the load.
Motor won’t
operate. LED
fl ashes green with
three short pulses
repeating.
The
ESC has
exceeded
the
continuous
current
limit.
The ESC is not
getting adequate
airfl ow.
Verify the motor is not damaged;
If a motor is damaged it may still
function but draw excessive current,
resulting in over current protection.
There is too much
load on the drive
system for the ESC
to support.
Reduce the load on the motor
Change to an ESC with higher
current capabilities if the chosen
ESC cannot handle the load
demands for your model.
Motor won’t operate.
LED fl ashes green
with four short
pulses repeating.
The ESC
has failed
the self
test.
The ESC is
damaged.
Send the ESC to a Horizon
Hobby service center for
service.
Motor won’t
operate. LED
fl ashes green with
fi ve short pulses
repeating.
Capacitor
temp
has been
exceeded
The ESC is not
getting adequate
airfl ow.
Turn off the ESC and allow it to
cool before resuming operation.
Consider making changes to
improve airfl ow to the ESC.
There is too much
load on the drive
system for the ESC to
support.
Consider changing the battery,
motor, gearing, or tires to reduce
the load on the ESC, or change your
driving habits to reduce the load.
Motor stutters at
start-up.
N/A
Poor wiring
connection between
the ESC and motor.
Verify all wiring connections
are solid and well insulated, re-
fl ow any cold solder joints.
Excessive drag on
drive system.
Check for parts rubbing, bent
shafts, rusted bearings, tight gears,
or anything that could cause extra
drag on the drive system.