Dometic FRESHJET FJ1100, Operating Manual

Page: 42 / 548

EN
Troubleshooting FreshJet
42
12 Troubleshooting
Problem Cause Remedy
Roof air
conditioner
constantly switches
itself off. Icing sensor has tripped. Outer temperature is too low or all air
nozzles are closed.
No cooling
capacity The roof air conditioner is not set to
cooling.
➤
Set the roof air conditioner to
cooling.
The ambient temperature is above 52 °C. The roof air conditioner is only
designed 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 only
designed for ambient temperatures
above 16 °C.
One of the temperature sensors is
defective.
➤
Contact an authorised workshop.
The vaporiser fan is damaged.
The condenser fan is damaged.
Low air output The air intake section is clogged up.
➤
Remove any leaves and other dirt
from the ventilation grilles of the
roof air conditioner.
The blower is defective.
➤
Contact an authorised workshop.
Water enters the
vehicle The condensation water drainage open-
ings are clogged up.
➤
Clean the drainage openings for
condensation water.
The seals are damaged.
➤
Contact an authorised workshop.
Roof air
conditioner does
not switch on. No supply voltage (230 V
w
) connected.
➤
Check the power supply.
The voltage is too low (under 200 V
w
).
The voltage converter is defective.
➤
Contact an authorised workshop.
One of the temperature sensors is
defective.
The electrical fuse of the power supply is
too low.
➤
Check the electrical fuse of the
power supply.
FreshJet-ADB2015-O-16s.book Seite 42 Mittwoch, 8. März 2017 8:15 20