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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

Vertical fins of trim tabs are angled 

incorrectly

Angle the fins a small amount right or left so  

that the boat goes straight when the rudder  

is at neutral

Rudder does not move

Rudder, linkage or servo damage

Replace or repair damaged parts and adjust 

controls

Wire is damaged or connections are

loose

Do a check of wires and connections, 

connect or replace as needed

Transmitter is not bound correctly or 

the incorrect model was selected

Rebind or select correct model in 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 or ESC 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 Crating might be too small

Use recommended battery

Boat does not link (after 

binding) to transmitter

Transmitter is too near boat during 

linking 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

Move boat or transmitter away from large 

metal object

Bind plug is left installed

Rebind transmitter to boat and remove bind 

plug before cycling power

Boat battery/transmitter battery  

charge is too low

Replace/recharge batteries

Transmitter may have been bound to 

a different model (using different DSM 

Protocol)

Bind boat to transmitter

ESC switch is off

Power on ESC switch

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