Am sure no one fiddled with it. The switch is seperate from inverter. The thing that bothers me is it's switches over smoothly at the start of load shedding no problem but when it ends you can hear it change over but everything stays off
Firstly I don't know much about inverters I have a 3kva pure sinewave inverter trolley with two gel 100ah batteries and it has a change over switch I have two leads on it and I run three fans on it a tv decoder and maybe a LCD light it has been working fine for a year it switched over during...