description of your error code in the manual is wiring harness plug disconnection, cpu board defect, snubber board defect you say it was after a charge ? was the unit ok before if so you didnt by any chance plug the charger directly into the machine and not the battery by mistake check all fuses and check for earth to frame in the units anderson plug not the charger plug if there is an earth to frame in the plug and you have plugged in there by mistake it is possible the cpu board is blown