I'm guessing you have a sticking button in the housing that is holding depressed any one of the numerous controls.
Sounds like the housing is the variable in the equation, especially if it works fine on land.
Use Silicone spray or grease on all control shafts of your housing, it's good maintenance for them too.
Sounds like the housing is the variable in the equation, especially if it works fine on land.
Use Silicone spray or grease on all control shafts of your housing, it's good maintenance for them too.