Problem
Possible Cause
Solution
Boat will not respond
to throttle but responds
to other controls
Throttle channel is reversed
Reverse throttle channel on transmitter
Extra noise or extra
vibration
Damaged propeller, shaft or motor
Replace damaged parts
Propeller is out of balance
Balance or replace propeller
Reduced runtime or boat
underpowered
Boat battery charge is low
Completely recharge battery
Boat battery is damaged
Replace boat battery and follow battery instructions
Blocking or friction on shaft or propeller
Disassemble, lubricate and correctly align parts
Boat conditions may be too cold
Make sure the battery is warm (above 10º C
[50º F]) before use
Battery capacity may be too low for conditions
Replace battery or use a larger capacity battery
Too little lubrication on driveshaft
Fully lubricate driveshaft
Vegetation or other obstacles block the
propeller
Remove vegetation or obstacles from propeller
Boat will not Bind
(during binding) to
transmitter
Transmitter is too near boat during binding
process
Move powered transmitter a few feet from boat,
disconnect and reconnect battery to boat
Boat or transmitter is too close to large
metal object, wireless source or another
transmitter
Move the boat and transmitter to another location
and attempt binding again
Another compatible transmitter in bind
mode within range of the receiver
Power off all compatible transmitters except the one
you are trying to bind
Boat battery/transmitter battery charge is
too low
Replace/recharge batteries
ESC switch is off
Power on ESC switch
Boat will not connect
(after binding) to
transmitter
Transmitter is too near boat during
connecting process
Move powered transmitter a few feet from boat,
disconnect and reconnect battery to boat
Boat or transmitter is too close to large
metal object, wireless source or another
transmitter
Move boat or transmitter to another location and
attempt to connect again
Boat battery/transmitter battery charge is
too low
Replace/recharge batteries
ESC switch is off
Power on ESC switch
Boat tends to dive in the
water or takes on water
The boat hull is not completely closed
Dry out the boat and ensure the hatch is fully closed
on the hull before returning the boat to the water
Center of gravity is too far forward
Move batteries back in the hull
Controls reversed
Transmitter settings are reversed
Do the Control Direction Test and adjust controls on
transmitter appropriately
Motor overheats
Blocked water cooler lines
Clean, unkink or replace water lines
Motor power pulses
then motor loses power
Weather conditions might be too cold
Postpone until weather is warmer
Battery is old, worn out or damaged
Replace battery
Boat moves forward or
backward without input
from user
Throttle trim on transmitter not centered
Adjust throttle trim to center (12 o’clock)
Boat does not drive
straight
Steering trim on transmitter not centered Adjust steering trim so vehicle drives straight
No steering or lack of
steering
Steering rate not adjusted correctly
Adjusts steering rate (ST RATE) knob on
transmitter to desired steering throw
Servo failed
Contact Horizon Product Support
No throttle or lack of
throttle
ESC failed
Contact Horizon Product Support
Motor failed
Contact Horizon Product Support
ESC emits a continues
tone when powered on
Throttle trim not centered
Center throttle trim on transmitter
Troubleshooting Guide
14
EN
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