NEW TO FORUM. BOUGHT THE MULTI II 3000 50 AMP 2X120. IT IS NOT PROVIDING UPS, NOT INVERTING ANY POWER, ON 30 AMP LIMIT FROM SHORE, SYSTEM SHTS DOWN AND RESETS WHEN EXCEEDS 30 AMPS. I HAVE WORKED WITH DEALER I PURCHASED TO NO RESOLUTION. I NEED SOME HELP TO TRY AND DIAGNOSE THE PROBLEM