Dometic FreshJet 5 Series - Page 20

ENDometic FreshJet Series 4, FreshJet Series 7
Problem Possible cause Suggested remedy
The ambient temperature is above
52 °C.
The roof air conditioner is only de-
signed for ambient temperatures of up
to 52 °C.
The temperature set is higher than the
room temperature.
Select a lower temperature.
The ambient temperature is below
16 °C.
The roof air conditioner is designed for
cooling only at ambient temperatures
above 16 °C.
One of the temperature sensors is de-
fective.
Contact an authorized service agent or
Dometic.
The evaporator fan is damaged.
Contact an authorized service agent or
Dometic.
The condenser fan is damaged.
Contact an authorized service agent or
Dometic.
The roof air conditioner is not set to
heating.
Set the roof air conditioner to heating.
The ambient temperature is below
-2 °C.
The roof air conditioner is designed for
ambient temperatures above -2 °C.
The temperature set is lower than the
room temperature.
Select a higher temperature.
One of the temperature sensors is de-
fective.
Contact an authorized service agent or
Dometic.
Only for models with heating
mode: Not heating well
The evaporator fan is damaged.
Contact an authorized service agent or
Dometic.
The air intake openings are blocked or
obstructed.
Remove any leaves and other dirt from
the ventilation grilles of the roof air
conditioner.
Low Air output
The fan is defective.
Contact an authorized service agent or
Dometic.
The condensation water drainage
openings are clogged up.
Clean the water drainage openings
from condensation water.
Water enters the vehicle.
The seals are damaged.
Contact an authorized service agent or
Dometic.
No power supply connected.
Check the power supply.
The voltage is too low (< 200 V).
Contact an authorized service agent or
Dometic.
The voltage converter is defective.
Contact an authorized service agent or
Dometic.
One of the temperature sensors is de-
fective.
Contact an authorized service agent or
Dometic.
The roof air conditioner does not
switch on.
The electrical fuse of the power supply
is too low.
Contact an authorized service agent or
Dometic.
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