My 140TT did the same thing in early January - only it was in the middle of the night and I wasn't on the boat
. Yes... I inadvertently left the main switch on which is does absolutely no good. The thruster started on its own in the middle of the night and ran for well over half an hour before a live aboard neighbor woke up from the racket, climbed on board and shut it off. All the plastic components on the thruster melted down - it's toast. I'm lucky because I don't think we were far from catching the fiberglass hull
on fire and having a real issue. I've had my Thruster for two years and the boat
has only been in the water
18 months. Lewmar
is a difficult company to get on the phone
, but I finally learned that they know about the issue and the toggle switch & control cable that I purchased in new 2018 has been replaced with what they call a Gen 2 compliant joystick, control cable and a blue box converter. BTW... no one from Lewmar ever contacted me about it and I'm registered w them re warranty, etc.