jelbk

I have a 20008 sea doo 230 wake that will not start. And yes i had battery check at auto store under load. I installed battery with both ground leads on ground added positive to positive then flipped the main switch for power. I then plugged in my DESS and it immediately beep once and again and again continuously. I also noticed a buzzing sound near the solenoid and fuse box. The rpm gage showed 2500 rpm(no motors running) I pressed starter switches and nothing.

I have check every fuse looked for corrosion and everything appears fine. It ran great last year and no problems winterizing. Does anyone have any ideas. My mechanic can't look at it for a few weeks and its finally not raining here in ohio. Its killing me not to be on the water.