Dometic Freshjet 1100 - Waeco

Troubleshooting Dometic FreshJet 1100
12 Troubleshooting
Problem Cause Remedy
Roof air conditioner
constantly
switches itself off.
No cooling
capacity
Icing sensor has tripped.
The roof air conditioner is not set to
cooling.
The ambient temperature is above
52 °C.
The temperature set is higher that 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.
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 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.
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
Roof air conditioner
does not
switch on.
Roof air conditioner
does not
switch off.
The condensation water drainage
openings are clogged up.
➤
Clean the drainage openings
for condensation water.
The seals are damaged. ➤ Contact an authorised workshop.
No supply voltage (230 Vw) connected.
➤ Check the power supply.
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 supply
is too low.
One of the temperature sensors is
defective.
The electrical fuse of the power supply
is too low.
➤
➤
➤
➤
Contact an authorised workshop.
Check the electrical fuse of the
power supply.
Contact an authorised workshop.
Check the electrical fuse of the
power supply.
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