What To Do When Inverter Is Not Working. So how to tell if your RV converter is bad. Even your 400 watt machine will draw around 40 amps.

In this case you may need to get the power switch replaced by a professional. You need wires that can carry 40 amps from the battery to the inverter without dropping more than. A burned-out fuse on the inverterconverter.
A burned-out fuse on the inverterconverter.
4- Battery terminals are loose. What to do if inverter is not working. Turn on the appliance and see if it is working. You need wires that can carry 40 amps from the battery to the inverter without dropping more than.

