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6. Press
to return to the Home screen.
8.13
Selecting a brightness level
1. Select
from the settings options. See
2. Press
.
3. Rotate
to select the brightness level.
4. Press
.
5. Press
to return to the main menu.
6. Press
to return to the Home screen.
9 Error codes
Error Code
Definition
E1
There is a loss of communica-
tion between the thermostat
and the module board.
E2
The remote temperature sen-
sor or room air sensor (on
board the thermostat) is open
circuit or out-ofrange.
E3
The remote temperature sen-
sor or room air sensor (on-
board the thermostat) has
shorted.
E4
The freeze control sensor is
open circuit, short circuit, or
out-of-range.
PF
There is a loss of 120 VAC
to the rooop unit's power
board module.
10 Troubleshooting
Problem
Possible cause
The product does not oper-
The circuit breaker has acti-
ate.
vated.
A fuse has blown.
The product does not oper-
The RV is not receiving pow-
ate (or operates poorly) and
er from the motor genera-
the RV is connected to the
tor.
motor generator.
Selecting a setting
on page 9.
Description
• Once the E1 error is dis-
played, no functions will
be available except for the
power button.
• Once the error is resolved,
the E1 code will no longer
show and the system will
resume operation in the
last AC mode.
• The Cool, Ventilation, and
Auto modes will not func-
tion.
• The Heat and Turbo
modes can be selected
manually. Simultaneously
press MODE and
one second and then re-
lease.
• In this event, the display
will show HI for heat over-
ride or LO for cool over-
ride.
• In Heat mode, the fan can
be turned off by selecting
the Auto fan speed. In Tur-
bo mode, the fan will not
turn off.
• The error will remain on
the display for the affected
mode until 120 VAC power
is restored.
• Heat mode will remain
available and the light but-
tons will remain active.
Suggested remedy
Set or reset the circuit
breaker.
Replace the fuse.
Confirm the motor genera-
tor is running.
Confirm the motor genera-
tor is producing power.
Confirm the fuse or circuit
breaker is open. Ensure the
fuse is not blown, or the cir-
Problem
The product does not op-
erate (or operates poorly)
and the RV is connected to a
power supply by a land line.
Frost forms on the evapora-
tor coil, as visible through
the air inlet hole with the fil-
ter removed.
The product does not main-
tain the desired tempera-
ture.
for
Condensation forms on ceil-
ings, windows, or other sur-
faces.
NOTE During
normal opera-
tion, this prod-
uct is designed
to remove a
certain amount
of moisture
from the air,
depending on
the size of the
space being
conditioned.
The manufac-
turer of this
unit will not
be responsi-
ble for dam-
age caused
by condensa-
tion forming on
ceilings, win-
dows, or other
surfaces.
Possible cause
Suggested remedy
cuit breaker is on and not
activated.
Contact the local service
center.
The RV is not receiving pow-
Confirm the land line is
er from the power supply.
plugged into the power
supply.
Confirm the land line is
properly-sized for the prod-
uct's power load.
Contact the local service
center.
The product is producing
Inspect and clean the filter.
very cold output at a very
Open the air vents and re-
low air speed.
move any obstructions.
The outside temperature is
Adjust the thermostat to a
relatively low.
warmer setting.
Operate the product on any
Fan Only setting until the
coil is free of frost.
Contact the local service
center.
The product is affected by
Park the RV in a shaded
the RV's heat gain from high
area.
outdoor temperatures or
Use window shades, blinds,
humidity.
or curtains. For a more per-
manent solution to high
heat gain, accessories like
the Dometic outdoor patio
or window awnings reduce
the effects of direct sunlight.
Keep the windows and
doors closed or minimize
their use.
Avoid using heat-producing
appliances inside the RV.
Operate the product in the
Turbo Fan/Cooling mode.
Start the product before
the outside temperature in-
creases.
The air has water vapor that
Keep doors and windows
is below the dew point of
closed when the unit is in
the surface.
operation to reduce the for-
mation of condensation.
EN
11
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