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Dometic FreshJet FJ1700 Bedienungsanleitung Seite 38

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Troubleshooting
12
Troubleshooting
Problem
Cause
Roof air
Icing sensor has tripped.
conditioner
constantlyswitches
itself off.
No cooling
The roof air conditioner is not set to
capacity
cooling.
The ambient temperature is above
52 °C.
The temperature set is higher than
the room temperature.
The ambient temperature is below
16 °C.
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
vehicle
openings are clogged up.
The seals are damaged.
No supply voltage (230 Vw) con-
Roof air
conditioner does
nected.
not switch on.
The voltage is too low (under
200 Vw).
The voltage converter is defective.
One of the temperature sensors is
defective.
The electrical fuse of the power sup-
ply is too low.
38
Remedy
Outer temperature is too low or all air noz-
zles are closed.
➤ Set the roof air conditioner to cooling.
The roof air conditioner is only designed
for ambient temperatures of up to 52 °C.
Select a lower temperature.
The roof air conditioner is only 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 con-
densation water.
➤ Contact an authorised workshop.
➤ Check the power supply.
➤ Contact an authorised workshop.
Check the electrical fuse of the power
supply.
FreshJet
EN

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