Hi. I seem to have run into some issues whilst 1 day into a 5 day session. The boat itself is fine when it of the water. Motor runs without any issue and checked the range since upgrading to the Futaba transmitter. As soon as I place the boat in the water it cuts out. All lights stay on but no movement from the motor. I reset the throttle lever to the off position and the boat beeps as if it reconnects to the transmitter. I have 3 sets of batteries with one set being less than a month old which were all fully charged and reading 6.2v on the boat. I have tried using all 3 sets and still the same problem. Any ideas as to what the problem could be ? I purchased the boat specially for this trip and now it's just a pretty peg decoration. Please help . Many Thanks