Unity Motorhome
89
Electrical System Operation
Troubleshooting Guide
In order to help troubleshoot the problem(s)
you are experiencing and render the best
possible solution, it is necessary you be at
your RV when you place your call.
1. If the display is illuminated and scrolling
information, note the Error Code. If there is
an Error code of 1-9, the device will interrupt
the power. See Error Chart for denition of
AC power problem. The device being off
when an Error Code is present indicates the
product is working properly and protecting
your coach.
2. If the display is illuminated and reading
Error code E 0, and yet no power is present
in the coach, please contact Technical
Support. You must wait for the time delay
light to stop ashing.
3. If the display is not illuminated and power
is in the coach there is a connection issue
between the display and the main control
box. Contact Technical Support.
Refer to the surge protector manual in
the Motorhome Information Kit for further
details.
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 E3. AC power
will shut down instantly.
Do not under any circumstances bypass
the EMS; otherwise, this will result in severe
damage to the RV.
Warning
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