9
Error Code Chart
E 0 - Normal Operating Condition
E 1 - Reverse Polarity (hot and neutral wires reversed)
E 2 - Open Ground (no ground wire connection)
E 3 - Line 1 High Voltage (line voltage above 132V)
E 4 - Line 1 Low Voltage (line voltage below 104V)
E 5*- Line 2 Voltage High (Line voltage above 132V)
E 6*- Line 2 Voltage Low (Line voltage below 104V)
E 7 - Line Frequency High (line frequency above 69Hz)
E 8 - Line Frequency Low (line frequency below 51Hz)
E 9 - Data Link Down (call technical support)
E10 - Replace Surge Protector Module (call Progressive
Industries Tech Support)
* Code only apply to EMS-HW50C models
Note: PE is a previous error code that HAS BEEN RECTIFIED.
If the EMS cuts the power to the RV it will show a PE code
following the E code. This denotes the previous error or why
the EMS shut down. Example: The EMS cuts power for low
voltage on Line 1, and then the power is restored. The Error
Code reads E 0, but the PE code reads PE 4 which tells the
user low voltage was the reason for the EMS previously cutting
power. This PE error code will be deleted when power is
disconnected from the EMS.
Accidental 240 volt Protection: Should this condition occur,
the display will read 240 volts instead of displaying the voltage
and the error code message will read E 3. AC power will shut
down instantly. DO NOT UNDER ANY CIRCUMSTANCES
BYPASS THE EMS AS THIS WILL RESULT IN SEVERE
DAMAGE TO THE RV.
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