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normally be a dangerous level� However, persons with
acute heart problems or other conditions that can make
a person particularly susceptible to electric shock may
still be seriously injured�
While the GFCI circuit breaker affords a high degree
of protection, there is no substitute for knowing that
electricity can be dangerous when carelessly handled
or used without reasonable caution�
The system incorporates GFCI breakers that
implement an auto-self-test functionality� When turned
off, these breakers require external AC power to be
present before they can be turned back on� If power is
present, and the breaker refuses to stay on, consult an
electrician or certified RV technician.
WARNING
The GFCI circuit breaker will NOT reduce shock
hazard if contact is made between a HOT load
wire and a neutral wire or two HOT load wires.
GFCI circuit breakers provide protection only to
the circuit to which it is connected.
GFCI Breaker Test
Perform this test on the GFCI circuit breaker each
month and record the date�
A
B
1� With handle A in the "ON" position, press PUSH TO
TEST button B�
2� Handle A should move to the TRIP position,
indicating that the GFCI breaker circuit is open�
3� Move handle A to the "OFF" position and back to
the "ON "position to restore power�
If the device remains on when the Test button is
pushed, the GFCI is not working properly or has
been incorrectly installed (wired improperly)� If your
GFCI is not working properly, call a qualified, certified
electrician who can assess the situation, rewire the
GFCI if necessary, or replace the unit�
Power Center Fuses
When blown, the fuses housed in the power center will
be illuminated by a blown-fuse LED indicator to help
determine which fuse needs replacing� The indicator
will only illuminate if the affected circuit remains closed
2024 Interstate 19X
Push To
Test
and/or has a load� For example, suppose a light is
burned-out or the switch to the light is off, resulting in
an open circuit� In this case, the fuse will not illuminate�
NOTICE
Most fuses will require a qualified technician
to access and replace. Contact your dealer or
Airstream Service Center.
Auxiliary Fuse Locations
In addition to the 12-volt fuses and breakers located in
the power center, several components of the coach are
protected by in-line fuses� These are usually located at
or near the components they protect� There are also
several fuses located under the driver and passenger
seats� For additional information,
Schematic on page
9-17�
120 Volt System
City Power Overview
120-volt AC shoreline power (city power) enters the
coach through the SmartPlug cordset connection to
the power distribution center and inverter/charger� The
inverter/charger acts as a pass-through and diverts
120 VAC to the 120-volt system (to operate the air
conditioner, hydronic heating element, microwave, and
120 VAC receptacles) and converts 120-volt alternating
current to 12-volt direct current to charge the batteries
and power the 12V system�
All wires, components, and wiring methods meet
federal and state requirements� The wiring is protected
by circuit breakers when connected to external AC
power� The circuit breaker panel for the 120 volt system
is inside the Power Center;
5-8�
If an outlet or appliance is not working, check your
touring coach circuit breakers and the breaker at the
shoreline connection� If a breaker continues to trip
after you have reset it several times, your circuit may
be overloaded with devices/appliances, or there may
be a short in the circuit� The Energy Management
System (EMS) should shed loads to prevent breakers
from tripping� If all else fails, try lessening the load on
the circuit by turning off devices while using external
appliances� If that does not solve the problem, consult
an Airstream Service Center�
Interior
see 12-Volt Main
see Power Center on page
5-9
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