Impulse 9 • Blackjack 9
Reduced run time 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 battery is warm before use
Battery capacity may be too low
for conditions
Replace battery or use a larger capacity battery
Drive dog is too close to the stuffing
tube
Loosen coupling at driveshaft and move out
driveshaft a small amount
Too little lubrication on driveshaft
Fully lubricate driveshaft
Vegetation or other obstacles block
the rudder or propeller
Remove boat from the water and obstacles
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 boat and transmitter to another location
and attempt binding again
Boat battery/Transmitter battery charge
is too low
Replace/recharge batteries
Another compatible transmitter is
powered on within range of the ESC
Turn off all compatible transmitters except
the one you are trying to bind
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 and transmitter to another location
and attempt connecting 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 battery back in the hull
Boat tends to turn one
direction
Rudder or rudder trim is not centered
Repair rudder or adjust rudder and rudder trim
for straight running when control is at neutral
Rudder does not move
Rudder, linkage or servo damage
Replace or repair damaged parts and adjust con-
trols
Wire is damaged or connections are
loose
Do a check of wires and connections, connect
or replace as needed
Transmitter is not bound correctly
Re-bind receiver to the transmitter
BEC (Battery Elimination Circuit) of the
ESC is damaged
Replace ESC
ESC switch is off
Power on ESC switch
Controls reversed
Transmitter settings are reversed
Do the Control Direction Test and adjust controls
on transmitter appropriately
Motor overheats
Blocked water cooler tubes
Clean or replace water tubes
Motor power pulses
then motor loses power
ESC uses default soft Low Voltage Cut-
off (LVC)
Recharge boat battery or replace battery that is
no longer performing
Weather conditions might be too cold
Postpone until weather is warmer
Battery is old, worn out or damaged
Replace battery
Battery C rating might be too small
Use recommended battery
11
EN
