User Manual
ProgressiveIndustries.net | 919-267-6964
7
INSTRUCTION MANUAL:
ELECTRICAL MANAGEMENT SYSTEM (EMS)
4) The digital display will give you a three digit number indicating your line
voltage. Next, it will give you a “0A” reading indicating current (amps) Current
(amps) will read zero until the time delay is complete (136 seconds or 15 seconds,
depending on your settings). Then you will notice a number between 0 and 30.
This number indicates how many amps the RV is drawing. Next, you will notice
“60H”, indicating your line frequency. This number should remain fairly consistent;
however, it may read plus/minus one or two. Lastly, note the E code. E 0 is normal
and only when E 0 or E 10 is present will the delay light ash and allow power to
the RV. Refer to the Error code chart card that was provided or see Error Code
Chart for additional information.
5) Verify the error code E 0 is displayed and set up is now complete.
NOTE: If the wiring reads anything dierent than correct, the EMS will not turn on and
we recommend you move to a dierent source of AC power or use your generator
power. Also, if power is below 104 volts or above 132 volts, the EMS will not turn on,
and we recommend using your generator power.
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 132)
E 6*- Line 2 Voltage Low (line 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 9 - Data Link Down (call technical support)
E10 - Replace Surge Protector Module (call technical support)
* Codes only apply to EMS-LCHW50 models
Note: 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; OTHERWISE, THIS WILL RESULT IN SEVERE DAMAGE TO THE RV.