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Troubleshooting FreshJet3000
22
10 Troubleshooting
Problem Cause Remedy
Roof air
conditioner
constantly
switches itself
off.
Icing sensor has tripped. Outer temperature is too low or
all air nozzles are closed.
Not cooling well 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 tempera-
tures of up to 52 °C.
The temperature set is higher than
the room temperature.
➤ Select a lower temperature.
The ambient temperature is below
16 °C.
The roof air conditioner is
designed for cooling only at
ambient temperatures above
16 °C.
One of the temperature sensors is
defective.
➤ Contact an authorised service
agent or Dometic.
The evaporator fan is damaged.
The condenser fan is damaged.
Not heating well The roof air conditioner is not set to
heating.
➤ Set the roof air conditioner to
heating.
The ambient temperature is below
–2 °C.
The roof air conditioner is
designed for best operation at
ambient temperatures above
–2 °C.
The temperature set is lower than the
room temperature.
➤ Select a higher temperature.
One of the temperature sensors is
defective.
➤ Contact an authorised service
agent or Dometic.
The evaporator fan is damaged.
The condenser fan is damaged.
FreshJet3000-OPM.book Seite 22 Donnerstag, 27. Februar 2020 4:17 16
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