(Error 6) Network Unit hardware failure.
Network Unit hardware error that may be remedied by a reset. Your Coverage Unit may not display a flashing error code. You will likely only see the solid red power indicator on your Network Unit.
Try this…reset your Network Unit. Simply unplug your Network Unit for a few seconds and plug it back in.
If after restarting your Cel-Fi DUO your hardware issue remains you will need a warranty replacement from your point of sale.