Troubleshooting - Dometic FRESHJET FJ1100 Operating Manual

FreshJet
Interval Inspection/maintenance
Replace the carbon filter (fig. 7, page 7):
Once per year
➤ Manually take off the filter cover (1).
➤ Remove the filter (2).
➤ Remove the carbon filter (3).
➤ Clean the filter (2) with a detergent solution and let it dry.
➤ Put a new carbon filter in.
➤ Put the dry filter (2) back in.
➤ Put the cover (1) back on.
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Troubleshooting

Problem Cause
Roof air Icing sensor has tripped.
conditioner
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.
EN
Troubleshooting
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.
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