The display screen is showing an alphanumeric code. What does it mean?Updated 10 months ago

All Error Codes

E-0 Normal Condition 

E-1 Reverse Polarity (hot and neutral wires reversed) 

E-2 Open Ground (no ground wire connection)

E-3 Line 1 Voltage High (Line 1 voltage above 132 volts) 

E-4 Line 1 Voltage Low (Line 1 voltage below 104 volts) 

E-5 Line 2 Voltage High (Line 2 voltage above 132 volts) 

E-6 Line 2 Voltage Low (Line 2 voltage below 104 volts) 

E-7 Line Frequency High (Line frequency above 69 Hertz) 

E-8 Line Frequency Low (Line frequency below 51 Hertz) 

E-10 Replace surge protector mode 

Note: If the EMS cuts the power to the RV, it will show a PE code following the E code. This denotes a previous error or why the EMS shut down.