What does code "EO" mean? What do the other error codes mean?Updated 21 days ago

"E0" means that there are no power issues to be concerned about and everything is working normally.

Below is a list of all Progressive EMS error codes. Please refer to the manufacturer's instructions for which actions to take, based on the code.

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. Refer to the manufacturer's instructions for more detail.

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