Help us help you--it would be good to tell us in your sig block what model and year of Alpine you have and the model of inverter. I will assume you are talking about an RS2000 -- sounds like the load sensing function is on and there is no significant load on your inverter circuit, so the inverter is cycling between inverter load and sleep. The load sense function has little or no utility for the RV application [in my opinion] so turning it off will not impact on other inverter functions....
2003 Alpine 40' MDTS
New Braunfels, Texas