Troubleshooting - Dometic FreshJet 1100 Notice D'utilisation

Troubleshooting

12 Troubleshooting
Problem Cause
Roof air condi- Icing sensor has tripped.
tioner constantly
switches 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.
Roof air condi- No supply voltage (230 Vw) con-
tioner does not nected.
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.
Roof air condi- One of the temperature sensors is
tioner does not defective.
switch off.
The electrical fuse of the power sup-
ply is too low.
72
Dometic FreshJet
Remedy
Outer temperature is too low or all
air nozzles are closed.
➤ Set the roof air conditioner to
cooling.
The roof air conditioner is only
designed for ambient tempera-
tures of up to 52 °C.
➤ Select a lower temperature.
The roof air conditioner is only
designed for ambient tempera-
tures above 16 °C.
➤ Contact an authorised work-
shop.
➤ Remove any leaves and other
dirt from the ventilation grilles
of the roof air conditioner.
➤ Contact an authorised work-
shop.
➤ Clean the drainage openings
for condensation water.
➤ Contact an authorised work-
shop.
➤ Check the power supply.
➤ Contact an authorised work-
shop.
➤ Check the electrical fuse of the
power supply.
➤ Contact an authorised work-
shop.
➤ Check the electrical fuse of the
power supply.
EN