EN
Troubleshooting
FreshJet
18
8
Troubleshooting
Problem
Cause
Remedy
Roof air condi-
tioner 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 that the
room temperature.
➤
Select a lower temperature.
The ambient temperature is below 16 °C.
➤
The roof air conditioner is only
designed for ambient tempera-
ture 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 condi-
tioner does not
switch on.
No supply voltage (230 V
w
) connected.
➤
Check the power supply.
The voltage is too low (under 200 V).
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.
Roof air condi-
tioner does not
switch off.
One of the temperature sensors is
defective.
➤
Contact an authorised workshop.
The electrical fuse of the power supply is
too low.
➤
Check the electrical fuse of the
power supply.
FreshJet-ADB2015-I-AU.book Seite 18 Freitag, 26. Januar 2018 9:23 09
