"p" means previous and then use the codes below
Error Code Chart
E-0 Normal Condition
E-1 Reverse Polarity Condition (hot and neutral wires
Reversed)
E-2 Open Ground (means 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 cycles
per second)
E-8 Line Frequency Low (Line frequency below 51 cycles
per second)
E-10 Replace surge protector mode