Troubleshooting - Dometic FRESHJET FJ 1100 Notice D'utilisation

Troubleshooting

12 Troubleshooting
Problem Cause
Roof air Icing sensor has tripped.
conditioner
constantly switches
itself off.
No cooling The roof air conditioner is not set to
capacity cooling.
The ambient temperature is above 52 °C. The roof air conditioner is only
The temperature set is higher than the
room temperature.
The ambient temperature is below 16 °C. The roof air conditioner is only
One of the temperature sensors is
defective.
The vaporiser fan is damaged.
The condenser fan is damaged.
Low air output The air intake section is clogged up.
The blower is defective.
Water enters the The condensation water drainage open-
vehicle ings are clogged up.
The seals are damaged.
No supply voltage (230 Vw) connected. ➤ Check the power supply.
Roof air
conditioner does
The voltage is too low (under 200 Vw).
not switch on.
The voltage converter is defective.
One of the temperature sensors is
defective.
The electrical fuse of the power supply is
too low.
42
Dometic FreshJet
Remedy
Outer temperature is too low or all air
nozzles are closed.
➤ Set the roof air conditioner to
cooling.
designed for ambient temperatures of
up to 52 °C.
➤ Select a lower temperature.
designed for ambient temperatures
above 16 °C.
➤ Contact an authorised workshop.
➤ Remove any leaves and other dirt
from the ventilation grilles of the
roof air conditioner.
➤ Contact an authorised workshop.
➤ Clean the drainage openings for
condensation water.
➤ Contact an authorised workshop.
➤ Contact an authorised workshop.
➤ Check the electrical fuse of the
power supply.
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