Dometic FJX-Serie Bedienungsanleitung Seite 23

Dometic FJX
Problem
Only FreshJet FJX4233EEH/
FJX4333E(EH)/FJX7333IHP/
FJX7337IHP/FJX7457IHP: Not heat-
ing well
Low Air output
Water enters the vehicle.
The roof air conditioner does not switch
on.
The roof air conditioner does not switch
off.
Only FreshJet FJX4233EEH/
FJX4333E(EH)/FJX7333IHP/
FJX7337IHP/FJX7457IHP: The roof
air conditioner constantly switches itself
off.
The display shows: P0
Possible cause
The roof air conditioner is not set to
heating.
The ambient temperature is below
− 2 °C.
The temperature set is lower than the
room temperature.
One of the temperature sensors is de-
fective.
The evaporator fan is damaged.
The air intake openings are blocked or
obstructed.
The fan is defective.
The condensation water drainage open-
ings are clogged up.
The seals are damaged.
No power supply connected.
The voltage is too low (< 200 V).
The voltage converter is defective.
One of the temperature sensors is de-
fective.
The electrical fuse of the power supply
is too low.
One of the temperature sensors is de-
fective.
The electrical fuse of the power supply
is too low.
The icing sensor has tripped.
Over temperature or over current on
IPM module
Suggested remedy
Set the roof air conditioner to heating.
The roof air conditioner is designed for
ambient temperatures above − 2 °C.
Select a higher temperature.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Remove any leaves and other dirt from
the ventilation grilles of the roof air con-
ditioner.
Contact an authorized service agent or
Dometic.
Clean the water drainage openings
from condensation water.
Contact an authorized service agent or
Dometic.
Check the power supply.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
The outer temperature is too low or all
air nozzles are closed.
Contact an authorized service agent or
Dometic.
EN
23